Silva Center for Phycological Documentation: Index Nominum Algarum


The INA is a card file and online reporting system maintained at the Silva Center for Phycological Documentation of the University Herbarium, University of California, Berkeley. It contains nearly 200,000 names of algae (in the broad sense). The BPU is a card file containing bibliographic references pertaining to algal taxonomy.
A working list of algal type specimens at UC is available here

Results from INA database

NameAuthorSourceCitationYear
Triceratium favusEhrenberg Ber. K. Akad. Wiss. Berlin 1839: 156 1839
Triceratium pileusEhrenberg Ber. K. Akad. Wiss. Berlin 1840: 217 1840
Triceratium amblyocerosEhrenberg Ber. K. Akad. Wiss. Berlin 1844: 88 1844
Triceratium condecorumEhrenberg Ber. K. Akad. Wiss. Berlin 1844: 272 1844
Triceratium alternansJ.W. Bailey Smithsonian Contrib. Knowl. 2{8}: 40, no fig. 1851
Triceratium semicirculareBrightwell Quart. J. Microscop. Sci. 1: 252, pl. IV: fig. 21 1853
Triceratium concavumHarvey & Bailey Proc. Acad. Nat. Sci. Philad. 6: 430, no fig. 1853
Triceratium gibbosumHarvey & Bailey Proc. Acad. Nat. Sci. Philad. 6: 430, no fig. 1853
Triceratium orientaleHarvey & Bailey Proc. Acad. Nat. Sci. Philad. 6: 430, no fig. 1853
Triceratium wilkesiiHarvey & Bailey Proc. Acad. Nat. Sci. Philad. 6: 431, no fig. 1853
Triceratium sculptumShadbolt Trans. Microsc. Soc. London, ser. 2, 2, 15, pl. I: fig. 4 1854
Triceratium flosEhrenberg Ber. K. Akad. Wiss. Berlin 1855: 303 1855
Triceratium exiguumW. Smith Syn. Brit. Diat. II: 87 1856
Triceratium truncatumBrightwell Quart. J. Micr. Sci. 4: 274, pl. XVII: fig. 4 1856
Triceratium venosumBrightwell Quart. J. Micr. Sci. 4: 274, pl. XVII: fig. 5 1856
Triceratium tabellariumBrightwell Quart. J. Micr. Sci. 4: 275, pl. XVII: fig. 15 1856
Triceratium brachiatumBrightwell Quart. J. Micr. Sci. 4: 274, fig. 3 1856
Triceratium radiatumBrightwell Quart. J. Micr. Sci. 4: 275, pl. XVII: fig. 14 1856
Triceratium dubiumBrightwell Quart. J. Micr. Sci. 7: 180, pl. IX: fig. 12 1859
Triceratium castellatumT. West Trans. Micr. Soc. London, ser. 2, 8: 147, pl. VII: fig. 3 1860
Triceratium cornutumGreville Trans. Microscop. Soc. London, ser. 2, 9: 45, 69, pl. VIII: fig. 8 1861
Triceratium crenatumKitton in Pritchard Hist. Inf. ed. 4: 939 1861
Triceratium obscurumGreville Trans. Microscop. Soc. London, ser. 2, 9: 76, pl. IX: fig. 8 1861
Triceratium inconspicuumR.K. Greville Trans. Microscop. Soc. London, ser. 2, 9: 45, 70, pl. VIII: fig. 10 1861
Triceratium rotundatumGreville Trans. Micr. Soc. London, ser. 2, 9: 75, pl. IX: fig. 6 1861
Triceratium westianumGreville Trans. Micr. Soc. London, ser. 2, 9: 43, pl. IV: fig. 11 1861
Triceratium areolatumGreville Trans. Micr. Soc. London, ser. 2, 9: 71, pl. VIII: fig. 13 1861
Triceratium blanditumGreville Trans. Micr. Soc. London, ser. 2, 9: 45 1861
Triceratium cinnamomeumGreville Quart. J. Microscop. Sci., ser. 2, 3: 232, pl. IX: fig. 12 1863
Triceratium denticulatumGreville Quart. J. Micr. Sci., ser. 2, 3: 233, pl. IX: fig. 14 1863
Triceratium lobatumGreville Quart. J. Micr. Sci., ser. 2, 3: 233, pl. IX: fig. 13 1863
Triceratium inflatumGreville Quart. J. Micr. Sci., ser. 2, 3: 232, pl. X: fig. 15 1863
Triceratium lineolatumGreville Quart. J. Micr. Sci., ser. 2, 3: 233, pl. X: fig. 16 1863
Triceratium irregulareGreville Trans. Microscop. Soc. London, ser. 2, 12: 92, pl. XII: fig. 5 1864
Triceratium obesumGreville Trans. Micr. Soc. London, ser. 2, 12: 90, pl. XI: fig. 11 1864
Triceratium foveatumGreville Trans. Micr. Soc. London, ser. 2, 12: 93, pl. XIII: fig. 15 1864
Triceratium praetenueGreville Trans. Micr. Soc. London, ser. 2, 12: 89, pl. XIII: fig. 16 1864
Triceratium oculatumGreville Trans. Micr. Soc. London, ser. 2, 12: 94, pl. XIII: fig. 20 1864
Triceratium acutangulumGreville Trans. Micr. Soc. London, ser. 2, 12: 93, pl. XIII: fig. 12 1864
Triceratium unguiculatumGreville Trans. Micr. Soc. London, ser. 2, 12: 85, pl. XI: fig. 9 1864
Triceratium cancellatumGreville Trans. Microscop. Soc. London, ser. 2, 13: 9, pl. II: fig. 17 1865
Triceratium moronenseGreville Trans. Microscop. Soc. London ser. 2, 13: 32, pl. IV: fig. 18 1865
Triceratium figuratumGreville Trans. Micr. Soc. London, ser. 2, 13: 101, pl. IX: fig. 15 1865
Triceratium nitescensGreville Trans. Micr. Soc. London, ser. 2, 13: 8, pl. II: fig. 19 1865
Triceratium ingloriumGreville Quart. J. Micr. Sci. London, ser. 2, 5: 103, pl. IX: fig. 18 1865
Triceratium exornatumGreville Trans. Micr. Soc. London, ser. 2, 13: 9, pl. II: fig. 25 1865
Triceratium quadrangulareGreville Trans. Micr. Soc. London, ser. 2, 13: 10, pl. II: fig. 26 1865
Triceratium reticulatumGreville Trans. Micr. Soc. London, ser. 2, 13: 104, pl. IX: fig. 21 1865
Triceratium hardmanianumGreville Trans. Micr. Soc. London, ser. 2, 13: 55, pl. VI: fig. 25 1865
Triceratium quadricorneGreville Trans. Micr. Soc. London, ser. 2, 13: 103, pl. IX: fig. 16 1865
Triceratium zonatulatumGreville Trans. Micr. Soc. London, ser. 2, 13: 102, pl. IX: fig. 17 1865
Triceratium latumGreville Trans. Micr. Soc. London, ser. 2, 13: 103, pl. IX: fig. 20 1865
Triceratium stokesianumGreville Trans. Micr. Soc. London, ser. 2, 14: 8, pl. II: fig. 23 1866
Triceratium quinquelobatumGreville Trans. Micr. Soc. London, ser. 2, 14: 83. pl. IX: fig. 21 1866
Triceratium elongatumGrunow Hedwigia 6: 31, no fig. 1867
Triceratium campeachianumGrunow in O'Meara Quart. J. Microscop. Sci., ser. 2, 14: 319 1874
Triceratium whampoenseA.F. Schwarz Hedwigia 13: 163, no fig. 1874
Triceratium favus var. septangulatum_('sept-angulatum')F. Kitton Monthly Microscopical Journal, ser. 3, 12: 219, pl. LXXXII: figs. 7, 8 1874
Triceratium orbiculatum var. elongatum(Grunow) Grunow Month. Micr. J. 18: 183, legend pl. CXCVI: fig. 2 on p. 186 1877
Triceratium bicorneCleve Bih. K. Svenska Vet.-Akad. Handl. 5{8}: 17, fig. 30 1878
Triceratium campechianumGrunow ex Cleve Bih. K. Svenska Vet.-Akad. Handl. 5{8}: 16, fig. 28 1878
Triceratium antillarumCleve Bih. K. Svenska Vet.-Akad. Handl. 5{8}: 16, fig. 29 1878
Triceratium trifoliatumCleve K. Svenska Vet. Akad. Handl., ser. 4, 18{5}: 23, pl. VI: fig. 71 1881
Triceratium margaritiferumCleve K. Svenska Vet.-Akad. Handl., ser. 4, 18{5}: 26, pl. VI: fig. 76 1881
Triceratium anderssoniiCleve K. Svenska Vet.-Akad. Handl., ser. 4, 18{5}: 24, pl. VI: fig. 69 1881
Triceratium balearicumCleve & Grunow in Cleve, K. Svenska Vet.-Akad. Handl., ser. 4, 18{5}: 25, pl. VI: fig. 73 1881
Triceratium duplicatumA. Schmidt Atlas Diat.: pl. 77: figs. 10-13 1882
Triceratium eulensteiniiGrunow in A. Schmidt, Atlas pl. 75: figs. 6, 7 1882
Triceratium godeffroyiGrunow in A. Schmidt, Atlas pl. 75: fig. 8 1882
Triceratium multiplexJanisch in A. Schmidt, Atlas: pl. 75: fig. 1 1882
Triceratium abyssorumGrunow in Van Heurck Syn. Diat. Belg.: pl. CXIII: figs. 1, 2 1883
Triceratium acutangulumGrunow in Van Heurck Syn. Diat. Belg.: pl. CXIII: fig. 12 1883
Triceratium alternans f. minus_(`minor')Grunow in Van Heurck Syn. Diat. Belg.: pl. CXIII: fig. 6 1883
Triceratium brightwellii var. inaequale_(`inaequalis')(Bailey ex L.W. Bailey) Grunow in Van Heurck Syn. Diat. Belg.: pl. CXIV: expl. figs. 3, 5-7 1883
Triceratium brightwellii var. tetragonum_(`tetragona')Grunow in Van Heurck Syn. Diat. Belg.: pl. CXIV: figs. 4, 8 1883
Triceratium brightwellii var. trigonum_(`trigona')(Bailey ex L.W. Bailey) Grunow in Van Heurck Syn. Diat. Belg.: pl. CXIV: expl. fig. 9 1883
Triceratium divisumGrunow in Van Heurck Syn. Diat. Belg.: pl. CXIII: fig. 8 1883
Triceratium ehrenbergiiGrunow in Van Heurck Syn. Diat. Belg.: expl. pl. CXV: figs. 7, 8 1883
Triceratium laeve var. annuliferum_(`annulifera')Grunow in Van Heurck Syn. Diat. Belg.: pl. CXIV: figs. 10, 11 [misprinted 11-11] 1883
Triceratium malleus var. tetragonum_(`tetragona')Grunow in Van Heurck Syn. Diat. Belg.: pl. CXIV: fig. 1 1883
Triceratium mesoleiumGrunow in Van Heurck Syn. Diat. Belg.: pl. CXIII: fig. 14 1883
Triceratium moronense var. nicobaricum_(`nicobarica')Grunow in Van Heurck Syn. Diat. Belg.: pl. CX: fig. 6 1883
Triceratium nancoorenseGrunow in Van Heurck Syn. Diat. Belg.: pl. CXIII: figs. 9, 11 1883
Triceratium parallelum var. madagascarense_(`madagascarensis')Grunow in Van Heurck Syn. Diat. Belg.: pl. CXI: fig. 3 1883
Triceratium plicatumGrunow in Van Heurck Syn. Diat. Belg.: pl. CXIII: fig. 10 1883
Triceratium quinqueguttatumGrunow in Van Heurck Syn. Diat. Belg.: pl. CXIII: fig. 13 1883
Triceratium seychellenseGrunow in Van Heurck, Syn. Diat. Belg.: pl. CX: fig. 1 1883
Pseudotriceratium cinnamomeum(Greville) Grunow Denkschr. K. Akad. Wiss. [Wien], Math.-Nat. Cl., 48{2}: 83 1884
Triceratium arcticum f. tetragonum_(`tetragona')A. Schmidt Atlas Diat.: pl. 81: fig. 4 1885
Triceratium caudatumWitt Zap. Imp. S.-Peterburg. Miner. Obshch., ser. 2, 22: 168, pl. XI: fig. 4 1885
Triceratium cellulosum var. simbirskianum_(`simbirskiana')Witt Zap. Imp. S.-Peterburg. Miner. Obshch., ser. 2, 22: 168, pl. XII: fig. 8-10 1885
Triceratium dissimileGrunow ex A. Schmidt Atlas Diat.: pl. 81: fig. 5 1885
Triceratium fenestratumWitt Zap. Imp. S.-Peterburg. Miner. Obshch., ser. 2, 22: 169, pl. X: fig. 10 1885
Triceratium venustumWitt Zap. Imp. S.-Peterburg. Miner. Obshch., ser. 2, 22: 170, pl. VIII: fig. 8 1885
Triceratium weissei_('weissii')Grunow ex Witt Zap. Imp. S.-Peterburg. Miner. Obshch., ser. 2, 22: 170, pl. VII: fig. 9; pl. XII: fig. 3 1885
Triceratium robertsianum f. inerme_('inermis')A. Schmidt Atlas: pl. 83: fig. 4 1885
Triceratium archangelskianumO. Witt Zap. Imp. S.-Peterburg. Miner. Obshch., ser. 2, 22: 168, pl. IX: figs. 11, 12, 14 1885
Triceratium kinkerianumO. Witt Zap. Imp. S.-Peterburg. Miner. Obshch., ser. 2, 22: 169, pl. VIII: fig. 10 1885
Triceratium favus var. quadratum_('quadrata')Grunow in A. Schmidt Atlas: pl. 84: fig. 4 1885
Triceratium mucronatumA. Schmidt Atlas Diat.-Kunde: pl. 111: figs. 1, 2 1886
Triceratium dobreeanum var. novazealandicum_('nova Zealandica')Grove & Sturt J. Quekett Micr. Club, ser. 2, 2: 328, pl. XIX: figs. 17, 18 1886
Triceratium venulosum var. majus_('major')Grove & Sturt J. Quekett Micr. Club, ser. 2, 2: 328, pl. XIX: figs. 15, 16 1886
Triceratium zonatulatum f. trigonaA. Schmidt Atlas: pl. 94: fig. 9 1886
Triceratium biquadratumJanisch in A. Schmidt Atlas: pl. 98: figs. 4-6 1886
Triceratium atlanticumCastracane Challenger Exped., Bot. 2: 111, pl. XVII: fig. 3 1886
Triceratium pulvillusCastracane Challenger Exped., Bot. 2: 106, pl. VI: fig. 8 1886
Triceratium rectangulareGrove & Sturt J. Quekett Microscop. Club, ser. 2, 3: 135, pl. X: fig. 17 1887
Triceratium morlandiiGrove & Sturt J. Quekett Micr. Club, ser. 2, 3: 7, pl. II: fig. 5 1887
Triceratium oamaruenseGrove & Sturt J. Quekett Micr. Club, ser. 2, 3: 135, pl. X: fig. 18 1887
Triceratium pseudonervatum_('pseudo-nervatum')Grove & Sturt J. Quekett Micr. Club, ser. 2, 3: 136, no fig. 1887
Triceratium crenulatumGrove & Sturt J. Quekett Micr. Club., ser. 2, 3: 7, pl. II: fig. 3 1887
Triceratium wittianumTruan y Luard in Truan y Luard & Witt Diat. Hayti: 23, pl. VII: fig. 16 1888
Triceratium novazealandicum_('nova zealandicum')(Grove & Sturt) Grove & Sturt ex Grunow Bot. Centralbl. 34: 40 1888
Triceratium novaeseelandiae_('Novae Seelandiae')A.W.F. Schmidt Atlas: pl. 127: figs. 5-8 1888
Triceratium triorbicumA. Schmidt Atlas: pl. 128: fig. 7 1888
Triceratium castelliferumGrunow Bot. Centralbl. 34: 40 1888
Triceratium balaniferumTempère & J. Brun in Brun & Tempère Mém. Soc. Phys. et Hist. Nat. Genève 30{9}: 59, pl. VI: fig. 4 1889
Triceratium dutertreiPantocsek & Tempère in Pantocsek Beitr. Kenntn. Foss. Bacill. Ungarns. 2: 90, no fig.; ibid. 3: pl. 8: fig. 132 1889
Triceratium lahuseniiPantocsek Beitr. Kenntn. Foss. Bacill. Ungarns. 2: 92, pl. 7: fig. 124 1889
Triceratium saratovianumPantocsek Beitr. Kenntn. Foss. Bacill. Ungarns. 2: 94, pl. 7: fig. 122 1889
Triceratium squamatumPantocsek Beitr. Kenntn. Foss. Bacill. Ungarns. 2: 94, pl. 9: fig. 164 1889
Triceratium cucullatumPantocsek Beitr. Kenntn. Foss. Bacill. Ungarns 2: 89, pl. 14: fig. 251; pl. 22: fig. 333 1889
Triceratium mereskovskii_('Meres\*vkovskii')Pantocsek Beitr. Kenntn. Foss. Bacill. Ungarns 2: 92, pl. 27: fig. 395 1889
Triceratium sentumWitt in A. Schmidt Atlas Diatomaceenk.: pl. 150: figs. 2-6 1890
Triceratium quadrinotatumA. Schmidt Atlas: pl. 152: fig. 31 1890
Triceratium regina(Heiberg) Wolle Diat. N. America: expl. pl. CV: fig. 17 1890
Triceratium canaliferum_('canalifer')Brun Mém. Soc. Phys. et Hist. Nat. Genève 31(part 2, no. 1): 47, pl. XXI: fig. 9 1891
Triceratium armashevskii_('armas\*vevskii')Pantocsek Beitr. Kenntn. Foss. Bacill. Ungarns. 3: pl. 11: fig. 183 (p. 106 in 1905) 1892
Triceratium polycistinorumJ. Pantocsek Diatomiste 1: 119 1892
Triceratium curvicostatumJ. Brun Diatomiste 2: 244, pl. XXI: figs. 1,2 1896
Triceratium tripesJ. Brun Diatomiste 2: 246, pl. XXI: fig. 14 1896
Triceratium petitianumLeuduger-Fortmorel Diat. mar. Afrique: 28: pl. V: fig. 12 1898
Triceratium antediluvianum var. minus_('minor')H. Peragallo & M. Peragallo Diatomées Marines de France: 384, pl. CII: figs. 6, 7 1902
Triceratium adriaticum(Kützing) Migula Krypt.-Fl. Deutschl., Alg. 1: 171 1905
Triceratium apsteiniiPantocsek Pozsonyi Orvos-Termeszettudomanyi Egyesulet Kozlemenyei 26, pl. I: fig. 8 1909
Triceratium besseyiPantocsek Pozsonyi Orvos-Termeszettudomanyi Egyesulet Kozlemenyei 27, pl. II: fig. 31 1909
Triceratium mediterraneumPantocsek Pozsonyi Orvos-Termeszettudomanyi Egyesulet Kozlemenyei 27, pl. II: fig. 26 1909
Triceratium pileus f. quadrigonaPantocsek Pozsonyi Orvos-Termeszettudomanyi Egyesulet Kozlemenyei 27, pl. II: fig. 19 1909
Triceratium wettsteiniiPantocsek Pozsonyi Orvos-Termeszettudomanyi Egyesulet Kozlemenyei 28, pl. I: fig. 7 1909
Triceratium antediluvianum var. trigonum_('trigona')M. Peragallo in Peragallo & Peragallo Denkschr. K. Akad. Wiss. [Wien], Math.-Nat. Kl. 88: 9, pl. II: fig. 3 1911
Triceratium leudugeri_('ledugerii')(J. Deby) H. Peragallo & M. Peragallo Denkschr. K. Akad. Wiss. [Wien], Math.-Nat. Kl. 88: 9 1911
Triceratium leudugeri var. samoense_('samoensis')H. Peragallo & M. Peragallo Denkschr. K. Akad. Wiss. [Wien], Math.-Nat. Kl. 88: 9, pl. II: fig. 1 1911
Triceratium versicolor var. trigonaH. Peragallo & M. Peragallo Denkschr. K. Akad. Wiss. [Wien], Math.-Nat. Kl. 88: 9 1911
Triceratium megastomum f. quadratum_('quadrata')(Grunow) A. Amossé Bull. Mus. Natl. Hist. Nat. [Paris] 30: 253 1924
Triceratium bicornigerumG D. Hanna Occas. Pap. Calif. Acad. Sci. 13: 34, pl. 4: figs. 13, 14 1927
Triceratium hertleinii_('hertleini')Hanna Occas. Pap. Calif. Acad. Sci. 13: 35, pl. 4: fig. 15 1927
Triceratium nitescens f. minus_('minor')Laporte & Lefébure Diat. Rares et Curieuses 1: pl. II: fig. 14 1929
Triceratium fusus(Ehrenberg) S.T. Moses Proc. 15th Indian Sci. Congr. [Calcutta, 1928]: 192 1929
Triceratium subundosumHustedt A. Schmidt's Atlas Diat.: pl. 371: fig. 7 1930
Triceratium sundbyenseHustedt A. Schmidt's Atlas Diat.: pl. 371: fig. 6 1930
Triceratium hannaianumHustedt A. Schmidt's Atlas: pl. 372: fig. 8 1930
Triceratium variansHustedt A. Schmidt's Atlas: pl. 372: fig. 7 1930
Triceratium admirabileDebes ex Hustedt A. Schmidt's Atlas Diatom.-Kunde: pl. 371: fig. 1 1930
Triceratium favus f. quadratum_('quadrata')(Grunow) Hustedt Rabenhorst's Krypt.-Fl. Deutschl., 2.Aufl., 7{1}: 800 1930
Triceratium ischaboenseHustedt Rabenhorst's Krypt.-Fl. Deutschl., 2.Aufl., 7{1}: 801, pl. IV: fig. 7 (in Brightwell, Quart. J. Micr. Sci. 1. 1853) 1930
Triceratium robertsianum f. quadratum_('quadrata')Hustedt Rabenhorst's Krypt.-Fl. Deutschl., 2.Aufl., 7{1}: 805, no fig. 1930
Triceratium spinosum f. tetragonum_('tetragona')Hustedt Rabenhorst's Krypt.-Fl. Deutschl., 2.Aufl., 7{1}: 806, fig. 468 1930
Triceratium shadboltianum var. elongatum_('elongata')(Grunow) Hustedt Rabenhorst's Krypt.-Fl. Deutschl., 2.Aufl., 7{1}: 809 1930
Triceratium antediluvianum f. pentagonum_('pentagona')Hustedt Rabenhorst's Krypt.-Fl. Deutschl., 2.Aufl., 7{1}: 812, fig. 473 1930
Triceratium pentacrinus f. quadratum_('quadrata')Hustedt Rabenhorst's Krypt.-Fl. Deutschl., 2.Aufl., 7{1}: 814, fig. 475 1930
Triceratium balearicum f. biquadratum_('biquadrata')(Janisch) Hustedt Rabenhorst's Krypt.-Fl. Deutschl., 2.Aufl., 7{1}: 815 1930
Triceratium balearicum f. quadratum_('quadrata')Hustedt Rabenhorst's Krypt.-Fl. Deutschl., 2.Aufl., 7{1}: 815 1930
Triceratium arcticum f. balaena(Ehrenberg) Hustedt Rabenhorst's Krypt.-Fl. Deutschl., 2.Aufl., 7{1}: 818 1930
Triceratium formosum f. quadrangulare_('quadrangularis')(Greville) Hustedt Rabenhorst's Krypt.-Fl. Deutschl., 2.Aufl., 7{1}: 820 1930
Triceratium formosum f. quinquelobatum_('quinquelobata')(Greville) Hustedt Rabenhorst's Krypt.-Fl. Deutschl., 2.Aufl., 7{1}: 820 1930
Triceratium reticulum f. pentagonum_('pentagona')Hustedt Rabenhorst's Krypt.-Fl. Deutschl., 2.Aufl., 7{1}: 824, fig. 487 1930
Triceratium reticulum f. quadrangulare_('quadrangularis')Hustedt Rabenhorst's Krypt.-Fl. Deutschl., 2.Aufl., 7{1}: 824 1930
Triceratium kolbeiHustedt A. Schmidt's Atlas: pl. 372: fig. 4 1930
Triceratium semicirculare var. productum_(`producta')(Grunow) Mills Index Diat.: 1654 1935
Triceratium heterogonumJ.W. Barker & S.H. Meakin J. Quekett Microscop. Club, ser. 4, 2: 78, pl. 16: fig. 11 1946
Triceratium perplexumJ.A. Long, D.P. Fuge, & J. Smith J. Paleontol. 20: 114, pl. 17: fig. 17 1946
Triceratium swastikaJ.A. Long, D.P. Fuge & J. Smith J. Paleont. 20: 114, pl. 17: fig. 8 1946
Triceratium schulziiA.P. Jousé Bot. Zhurn. 33: 350, 351, 353, 355, fig. 10 1948
Triceratium schmidtiiN.V. Anissimova in A.I. Proshkina-Lavrenko (ed.) Diat. Anal. 2: 162, pl. 58: fig. 4 1949
Triceratium sparsimpunctatum_('sparsimpunctata')A.P. Jousé in A.I. Proshkina-Lavrenko (ed.) Diat. Anal. 2: 169, pl. 64: fig. 6 1949
Triceratium mirabileJousé in Proshkina-Lavrenko Diatomovyi Analis: 2: 166, pl. 62: fig. 5a,b 1949
Triceratium reticulum f. tetragonum_(`tetragona')Cleve-Euler K. Svenska Vet. Akad. Handl. [ser. 6(`4')], 2{1}: 114 1951
Triceratium kolbei var. uralenseP. Jousé Bot. Mater., Spor. Rast., Bot. Inst. Akad. Nauk SSSR 7: 34, pl. III: fig. 2 1951
Triceratium flos var. hebetatum_('hebetata')(Grunow) A. Cleve-Euler Kongl. Svenska Vet. Akad. Handl., ser. 4, 4{1}: 116 1953
Triceratium mamillanumDebes ex Hustedt A. Schmidt's Atlas Diatom.-Kunde: pl. 466: figs. 1-7 1959
Triceratium officiosumHustedt A. Schmidt's Atlas Diatom.-Kunde: pl. 466: figs. 13-16 1959
Triceratium orbiculatumShibkova Bot. Mater. Bot. Inst. Akad. Nauk SSSR, Spor. Rast. 12: 118, fig. 2: 3 1959
Triceratium pulchrumHustedt A. Schmidt's Atlas Diatom.-Kunde: pl. 471: fig. 2 1959
Triceratium sparsipunctatumHustedt A. Schmidt's Atlas Diatom.-Kunde: pl. 467: fig. 29 1959
Triceratium udiense_('udiensis')Hustedt A. Schmidt's Atlas Diatom.-Kunde: pl. 468: figs. 10-12 1959
Triceratium obtusangulumHustedt A. Schmidt's Atlas: pl. 468: fig. 5 1959
Triceratium firthii_('firthi')Hanna & Brigger Occas. Pap. Calif. Acad. Sci. 45: 24, pl. 5: fig. 2 1964
Triceratium needhamii_('needhami')Hanna & Brigger Occas. Pap. Calif. Acad. Sci. 45: 24, pl. 5: fig. 2 1964
Triceratium synicumN.I. Strelnikova Nov. Sist. Nizsh. Rast. [Bot. Inst. Akad. Nauk SSSR] 1965: 34, pl. V: fig. 5; pl. VI: figs. 1, 2 1965
Triceratium uralenseN.I. Strelnikova Nov. Sist. Nizsh. Rast. [Bot. Inst. Akad. Nauk SSSR] 1965: 34, pl. IV: fig. 5; pl. V: figs. 3, 4 1965
Triceratium acutangulumN.I. Strelnikova Diat. Pozdn. Mela: 83, pl. XXXII: figs. 1-10 1974
Triceratium anissimovae(A.P. Jousé) N.I. Strelnikova Diat. Pozdn. Mela: 83 1974
Triceratium coronatum(O. Witt) N.I. Strelnikova Diat. Pozdn. Mela: 89 1974
Triceratium excavatum(Heiberg) N.I. Strelnikova Diat. Pozdn. Mela: 82 1974
Triceratium indefinitum(A.P. Jousé) N.I. Strelnikova Diat. Pozdn. Mela: 82 1974
Triceratium planumN.I. Strelnikova Diat. Pozdn. Mela: 87, pl. XXIX: figs. 12-17 1974
Triceratium tessela(A.I. Krotov) N.I. Strelnikova Diat. Pozdn. Mela: 84 1974
Triceratium kennettiiHajós & Stradner in Hajós Initial Rep. Deep Sea Drilling Project 29: 930, pl. 7: figs. 11-15; pl. 32 1975
Triceratium latipes_(`latepes')J. Fenner in Schrader & Fenner Initial Rep. Deep Sea Drilling Project 38: 1003, pl. 26: fig. 12 1976
Triceratium tambovicumJousé in Kozyrenko et al. Miotsen Oksko-Donskoj ravniny: 130, pl. XXX: fig. 6 1977
Triceratium tambovicum f. tetragonumJousé in Kozyrenko et al. Miotsen Oksko-Donskoj ravniny: 130, pl. XXXI: fig. 3 1977
Triceratium inconspicuum var. trilobatum_(`trilobata')J. Fenner Initial Rep. Deep Sea Drilling Project, Suppl. to vols. 38-41: 534, pl. 30: figs. 23-26 1978
Triceratium schulzii var. quadrilobum_(`quadriloba')J. Fenner Initial Rep. Deep Sea Drilling Project, Suppl. to vols. 38-41: 535, pl. 30: figs. 15-20 1978
Triceratium perpendiculareJ.-M. Lin & T.G. Chin Universitatis Amoiensis, Acta Scientiarum Naturalium 19(4): 108, figs. A, B 1980
Triceratium groningense f. quadratum_(`quadrata')A.M. Gombos, Jr. & P.F. Ciesielski Initial Rep. Deep Sea Drilling Project 71: 607, pl. 15: figs. 4-6 1983
Triceratium kanayaeJ. Fenner Micropaleontology 30: 334, pl. 1: figs. 5, 6 1984
Triceratium kanayae var. quadrilobum_('quadriloba')J. Fenner Micropaleontology 30: 334, pl. 2: figs. 3, 4 1984
Triceratium sundbyenseHustedt ex R. Simonsen Atlas & Cat. Diat. Types Hustedt: 126, pl. 203: figs. 1, 2 1987
Triceratium kolbeiHustedt ex Simonsen Atlas & Cat. Diatom Types Hustedt: 127, pl. 208/1,2 1987
Triceratium favus f. octogonum_(`octogona')T.V. Desikachary & P. Prema in T.V. Desikachary Atlas Diat. 6: 11, pl. 777: figs. 2, 3 1989
Triceratium dictyotumP.A. Sims & R. Ross Diatom Res. 5: 168 1990
Triceratium unguiculatum f. quinquangulumP.A. Sims & R. Ross Diatom Res. 5: 161, figs. 13-16, 23 1990
Triceratium unguiculatum f. triangulumP.A. Sims & R. Ross Diatom Res. 5: 161, figs. 17-20, 24 1990
Triceratium gombosiiJ. Fenner Proc. Ocean Drilling Program, Sci. Results 114: 140, pl. 1: fig. 7; pl. 9: figs. 1, 2 1991
Triceratium polymorphum_(`polymorphus')D.M. Harwood & T. Maruyama Proc. Ocean Drilling Program, Sci. Results 120: 708, pl. 1: figs. 1-3 1992
Pseudotriceratium adleriA. Mahood in Mahood, Barron, & Sims Beih. Nova Hedwigia 106: 263, figs. 49-58, 68-71 1993
Praetriceratium inconspicuum(Rattray) P.A. Sims Diatom Research 16: 404 2001
Praetriceratium lineatum_('lineatus')(Barker & Meakin) P.A. Sims Diatom Research 16: 404 2001
PRAETRICERATIUMP.A. Sims Diatom Research 16: 404 2001
Triceratium moreiraeL.F. Fernandes & R.M. Souza-Mosimann Rev. Brasil. Biol. 61: 161, figs. 1-21 2001
Triceratium dictyotum var. rawsonii(E.J.F. Wood) M.A. Harper in Harper et al. Phylum Ochrophyta ...: 163 2012
Triceratium harwoodiiJ. Witkowski Beih. Nova Hedwigia 152: 318, pls. 140, 141 2022
Gymnodinium triceratiumSkuja image
PSEUDOTRICERATIUMGrunow image
Pseudotriceratium chenevieri(Meister) Gleser image
Pseudotriceratium fallaxGrunow image
Pseudotriceratium punctatum(Wallich) Simonsen image
TRICERATIUM [subgenus]PSEUDOCOSCINODISCUS A. Grunow image
TRICERATIUMC.G. Ehrenberg image
TRICERATIUMC.G. Ehrenberg image
TRICERATIUM subgeneraEUTRICERATIUM F. Hustedt image
TRICERATIUM subgenusEUTRICERATIUM De Toni image
Triceratium abercrombieanumR.K. Greville image
Triceratium abyssaleCastracane image
Triceratium abyssorum var. polycystinorumJ. Pantocsek image
Triceratium abyssorum var. saratovianumJ. Pantocsek image
Triceratium acceptumR.K. Greville image
Triceratium aculeatumC.G. Ehrenberg image
Triceratium aculeatumK.G. Shibkova image
Triceratium aculeatumR.K. Greville image
Triceratium acutangulumN.I. Strelnikova image
Triceratium acutangulumR.K. Greville image
Triceratium acutangulum var. groveiJ. Pantocsek image
Triceratium acutumC.G. Ehrenberg image
Triceratium admirabileDebes image
Triceratium adspersumA.W.F. Schmidt image
Triceratium affineA. Grunow image
Triceratium africanumC.G. Ehrenberg image
Triceratium agnellusA.I. Krotov image
Triceratium albifronsJ.-J. Brun image
Triceratium albumJ.A. Long, D.P. Fuge & J. Smith image
Triceratium altarJ.-J. Brun image
Triceratium alternans(C.G. Ehrenberg) F. Schütt image
Triceratium alternansBailey image
Triceratium alternansBailey image
Triceratium alternans var. tenuipunctatum_('tenuipunctata')K.S. Mereschkowsky image
Triceratium alveolatumP. Bergon image
Triceratium amblyocerosC.G. Ehrenberg image
Triceratium amblyoceros var. nankoorenseA. Grunow image
Triceratium americanum(Bailey) A. Cleve-Euler image
Triceratium americanum var. quadratum_('quadrata')E. Grove & G. Sturt image
Triceratium americanum_('americana')J. Ralfs image
Triceratium amoenumR.K. Greville image
Triceratium amplexumA.W.F. Schmidt image
Triceratium ananinenseJ. Pantocsek image
Triceratium anderssoniiP.T. Cleve image
Triceratium anissimovae(A.P. Jouse) N.I. Strelnikova image
Triceratium annulatumG.C. Wallich image
Triceratium anostomosansE. Grove image
Triceratium antarcticumC. Janisch image
Triceratium antarcticumP.T. Cleve image
Triceratium antediluvianum(C.G. Ehrenberg) A. Grunow image
Triceratium antediluvianum f. pantagonum_('pantagona')E.E. Manguin & R. Leboime image
Triceratium antediluvianum f. pentagona-abnorme_('pentagona-abnormisi')M. Peragallo image
Triceratium antediluvianum var. tempereiJ. Frenguelli image
Triceratium antillarumP.T. Cleve image
Triceratium antillarum var. laetumJ. Pantocsek image
Triceratium antipodumJ. Pantocsek image
Triceratium antiquumJ. Pantocsek image
Triceratium approximatumR.K. Greville image
Triceratium araneosumR.K. Greville image
Triceratium archangelskianumO.N. Witt image
Triceratium archangelskianum var. convexumK.G. Shibkova image
Triceratium archangelskianum var. magnificum_('magnifica')F. Hustedt image
Triceratium arcticum f. campechianum_('campechiana')A. Grunow image
Triceratium arcticum f. pentagona - - image
Triceratium arcticum f. pentagonaJ. Pantocsek image
Triceratium arcticum f. quinquegonaJ. Pantocsek image
Triceratium arcticum f. quinquelobatum_('quinquelobata')(R.K. Greville) Grove & Sturt image
Triceratium arcticum f. tetragonum ["tetragona"]A.W.F. Schmidt image
Triceratium arcticumT. Brightwell image
Triceratium arcticum var. antarcticum_('antarctica')A. Grunow image
Triceratium arcticum var. californicum_('californica')A. Grunow image
Triceratium arcticum var. charcotiiM. Peragallo image
Triceratium arcticum var. hybridumA. Grunow image
Triceratium arcticum var. japonico-minus_('japonica minor')Grunow image
Triceratium arcticum var. kerguelenense_('kerguelenensis')Castracane image
Triceratium arcticum var. kerguelense_('kerguelensis')A. Grunow image
Triceratium arcticum var. lucidum_('lucida')J.A. Tempère & J.-J. Brun image
Triceratium arcticum var. majus_('major')M. Peragallo image
Triceratium arcticum var. mitsukeense_('mitsukeensis')W. Ichikawa image
Triceratium arcticum var. neapolitanum_('neapolitana')A. Grunow image
Triceratium arcticum var. robustum_('robusta')A. Truan y Luard & O.N. Witt image
Triceratium arcticum var. samoense_('samoensis')A. Grunow image
Triceratium arcticum var. sexangulatum - - image
Triceratium arcticum var. spitzbergense_('spitzbergensis')A. Grunow image
Triceratium arcticum var. tetragonaA. Grunow image
Triceratium arcticum var. vulcanicum_('vulcanica')J.A. Tempère & J.-J. Brun image
Triceratium arcuatumG. Shadbolt image
Triceratium areolatum f. minus_('minor')A.W.F. Schmidt image
Triceratium areolatumP. Harting image
Triceratium areolatumR.K. Greville image
Triceratium areolatum var. venosum_('venosa')A. Grunow image
Triceratium argusC. Janisch image
Triceratium arietinumA.W.F. Schmidt image
Triceratium armasevskiiJ. Pantocsek image
Triceratium armatumF.C.S. Roper image
Triceratium arrogansA. Truan y Luard & O.N. Witt image
Triceratium ascensionisG. Leuduger-Fortmorel image
Triceratium atlanticumF.S. Castracane image
Triceratium atomusR.K. Greville image
Triceratium attenuatum f. quadratum_('quadrata')J.A. Tempère image
Triceratium attenuatumR.K. Greville image
Triceratium auliscoidesE. Grove & G. Sturt image
Triceratium balaniferumJ.A. Tempère & J.-J. Brun image
Triceratium balaniferumJ.A. Tempère & J.-J. Brun image
Triceratium balearicumP.T. Cleve & A. Grunow image
Triceratium balearicum var. sturtiiJ. Pantocsek image
Triceratium barbadenseR.K. Greville image
Triceratium basilicaJ.-J. Brun image
Triceratium bellumJ.A. Long, D.P. Fuge & J. Smith image
Triceratium bergoniiJ.A. Tempère & J.-J. Brun image
Triceratium bicorneP.T. Cleve image
Triceratium bicornigerumG.D. Hanna image
Triceratium biddulphiaP.A.C. Heiberg image
Triceratium biformeF. Hustedt image
Triceratium biharenseJ. Pantocsek image
Triceratium bimarginatumE. Grove & G. Sturt image
Triceratium biquadratumC. Janisch image
Triceratium bireticulatumJ.W. Barker & S.H. Meakin image
Triceratium blanditumR.K. Greville image
Triceratium blandumO.N. Witt image
Triceratium blandumO.N. Witt image
Triceratium boryanumJ. Pantocsek image
Triceratium bowerbankianum_('bowerbankiana')J. Ralfs image
Triceratium brachiatumT. Brightwell image
Triceratium brachiolatumT. Brightwell image
Triceratium brandtiiJ. Pantocsek image
Triceratium brevinervumR.K. Greville image
Triceratium brightwelliiT. West image
Triceratium broeckiiG. Leuduger-Fortmorel image
Triceratium browneanumR.K. Greville image
Triceratium bruniiJ. Pantocsek image
Triceratium bullatumE. Grove image
Triceratium bullosumO.N. Witt image
Triceratium caducumJ. Pantocsek image
Triceratium caelatumC. Janisch image
Triceratium californicumA. Grunow image
Triceratium calvescensCastracane image
Triceratium cambroneroiF. Azpeitia Moros image
Triceratium campeachianumA. Grunow image
Triceratium canaliferJ.-J. Brun image
Triceratium cancellatumR.K. Greville image
Triceratium cancellatum var. minus_('minor')W.C. Walker & H.H. Chase image
Triceratium capitatumJ. Ralfs ex R.K. Greville image
Triceratium capitiferumF. Hustedt image
Triceratium caribaeumW.C. Walker & H.H. Chase image
Triceratium carinatumC.G. Ehrenberg image
Triceratium cariosumCastracane image
Triceratium castellatum var. fractaA. Grunow image
Triceratium castellatum var. fractaA. Grunow image
Triceratium castellatum var. majus_('major')A.W.F. Schmidt image
Triceratium castellatum var. quadratum_('quadrata')T. Reinhold image
Triceratium castelliferumA. Grunow image
Triceratium castelliferumA. Grunow image
Triceratium castracaneiJ. Pantocsek image
Triceratium caudatumO.N. Witt image
Triceratium celebenseA.W.F. Schmidt image
Triceratium cellulosumR.K. Greville image
Triceratium cellulosum var. californicumJ.A. Long, D.P. Fuge & J. Smith image
Triceratium cellulosum var. italicum_('italica')A.I. Forti image
Triceratium cellulosum var. japonicum_('japonica')J.-J. Brun image
Triceratium cellulosum var. majus_('major')W.C. Walker & H.H. Chase image
Triceratium cellulosum var. simbirskianum_('simbirskiana')O.N. Witt image
Triceratium chenevieriF. Meister image
Triceratium cinnamomeumR.K. Greville image
Triceratium circulareA.M. Edwards image
Triceratium circulare f. tetrappendiculatum_('4-appendiculata')A. Grunow image
Triceratium circumvallatumF. Hustedt image
Triceratium clavatumE. Grove image
Triceratium coerulescensJ. Pantocsek image
Triceratium columbiO.N. Witt image
Triceratium columbi var. quadratum_('quadrata')T. Reinhold image
Triceratium compactumT. Brightwell image
Triceratium comparA.W.F. Schmidt image
Triceratium comtumC.G. Ehrenberg image
Triceratium concavumW.H. Harvey & Bailey image
Triceratium conciliatumJ. Pantocsek image
Triceratium conciliatum var. validiorJ. Pantocsek image
Triceratium concinnumR.K. Greville image
Triceratium condecorumC.G. Ehrenberg image
Triceratium condecorum var. neogradense_('neogradensis')A. Grunow image
Triceratium coniferumT. Brightwell image
Triceratium consimileA. Grunow image
Triceratium constansR.K. Greville image
Triceratium constellatumJ.A. Tempère & J.-J. Brun image
Triceratium contortum f. tetragonaA.W.F. Schmidt image
Triceratium contortumG. Shadbolt image
Triceratium convexiusculumA. Grunow image
Triceratium convexumR.K. Greville image
Triceratium cordiferumE. Grove & G. Sturt image
Triceratium cornutum f. pentagona_('5-gona')A. Grunow image
Triceratium cornutum f. tetragona_('4-gona')A. Grunow image
Triceratium cornutumR.K. Greville image
Triceratium coronatum(O.N. Witt) N.I. Strelnikova image
Triceratium coronatumCastracane image
Triceratium coronatumG. Leuduger-Fortmorel image
Triceratium coscinoidesE. Grove & G. Sturt image
Triceratium coscinoides var. quadratum_('quadrata')E. Grove & G. Sturt image
Triceratium couturianumJ.A. Tempère & J.-J. Brun image
Triceratium crassumG. Shadbolt image
Triceratium crebrestriatumE. Grove image
Triceratium crenatumF. Kitton image
Triceratium crenulatumE. Grove & G. Sturt image
Triceratium crenulatum f. gibbosum_('gibbosa')E. Grove & G. Sturt image
Triceratium crispulumF. Hustedt image
Triceratium cristatumJ. Pantocsek image
Triceratium cruciatum(C. Janisch & G.L. Rabenhorst) P.T. Cleve image
Triceratium cruciferum(F. Kitton) A. Grunow image
Triceratium cruciformeA.W.F. Schmidt image
Triceratium cruxT. Brightwell image
Triceratium cucullatumJ. Pantocsek image
Triceratium cucullatum var. disseminato-punctatum_('disseminato-punctata')J. Pantocsek image
Triceratium cucullatum var. latius_('latior')J. Pantocsek image
Triceratium cucullatum var. validius_('validior')J. Pantocsek image
Triceratium cultumA.W.F. Schmidt image
Triceratium cuneatumA.W.F. Schmidt image
Triceratium curvatovittatumA.W.F. Schmidt image
Triceratium curvibaccatumJ.-J. Brun image
Triceratium curvicostatumJ.-J. Brun image
Triceratium curvilimbumJ.-J. Brun image
Triceratium curvilimbum var. decoratum_('decorata')J.-J. Brun image
Triceratium cuspidatumC. Janisch image
Triceratium cyclamenJ.-J. Brun image
Triceratium davidsonianumA. Truan y Luard & O.N. Witt image
Triceratium daviyanumR.K. Greville image
Triceratium de-toniiJ. Pantocsek image
Triceratium debesiiJ. Pantocsek image
Triceratium debyiG. Leuduger-Fortmorel image
Triceratium decorumR.K. Greville image
Triceratium deductumJ. Pantocsek image
Triceratium definitumR.K. Greville image
Triceratium deformatumJ. Pantocsek image
Triceratium delectabileJ. Pantocsek image
Triceratium delicatumR.K. Greville image
Triceratium demissumF. Hustedt image
Triceratium denticulatumR.K. Greville image
Triceratium denticulatum var. minusA. Grunow image
Triceratium digitaleJ.-J. Brun image
Triceratium dignumJ.A. Long, D.P. Fuge & J. Smith image
Triceratium disciformeR.K. Greville image
Triceratium dissimileA. Grunow ex A.W.F. Schmidt image
Triceratium distictumJ.W. Barker & S.H. Meakin image
Triceratium distinctumC. Janisch image
Triceratium distinctum var. quadratum_('quadrata')A.I. Forti image
Triceratium distinctum var. quadratum_('quadrata')A.I. Forti image
Triceratium distinguendumJ. Pantocsek image
Triceratium diversumG.D. Hanna & A.L. Brigger image
Triceratium dobreeanumG. Norman ex R.K. Greville image
Triceratium dobreeanum var. novaeseelandiaeGrove & Sturt image
Triceratium dobreeanum var. novazealandicum_('novaZealandica') E. Grove & G. Sturt image
Triceratium dubiumT. Brightwell image
Triceratium dubium var. irregulare_('irregularis')A. Grunow image
Triceratium dulceR.K. Greville image
Triceratium dulce var. japonicum_('japonica')J.A. Tempère & J.-J. Brun image
Triceratium duplicatumA.W.F. Schmidt image
Triceratium dutertreiPantocsek & Tempère image
Triceratium eccentricumE. Grove & G. Sturt image
Triceratium edgartiM. Hajós image
Triceratium ehrenbergiiA. Grunow image
Triceratium elaboratumA. Truan y Luard & O.N. Witt image
Triceratium elatumJ. Pantocsek image
Triceratium elegans(R.K. Greville) A. Grunow image
Triceratium elegansA.M. Edwards image
Triceratium elegans f. majus_('major')A. Grunow image
Triceratium elegans f. pusillum_('pusilla')A. Grunow image
Triceratium elegans var. japonicum_('japonica')J.A. Tempère & J.-J. Brun image
Triceratium elevatumJ. Pantocsek image
Triceratium elongatumA. Grunow image
Triceratium endlicheri_('endlicherii')J. Pantocsek image
Triceratium epithelialeO.N. Witt image
Triceratium eulensteiniiA. Grunow image
Triceratium eulensteinii var. inornatum_('inornatai')A.W.F. Schmidt image
Triceratium eulensteinii var. irregulare_('irregularis')A. Grunow image
Triceratium excavatum(P.A.C. Heiberg) N.I. Strelnikova image
Triceratium exornatumR.K. Greville image
Triceratium exornatum var. ananinense_('ananinensis')J. Pantocsek image
Triceratium exornatum var. giganteum_('gigantea')A.I. Forti image
Triceratium exornatum var. robustum_('robusta')O.N. Witt image
Triceratium exornatum var. simbirskianum_('simbirskiana')J. Pantocsek image
Triceratium expressumC. Janisch image
Triceratium fallaciosumA. Grunow image
Triceratium fallaciosumA. Grunow image
Triceratium fasciatumJ. Pantocsek image
Triceratium favusC.G. Ehrenberg image
Triceratium favusC.G. Ehrenberg image
Triceratium favus f. hexagonaA. Truan y Luard & O.N. Witt image
Triceratium favus f. octogonum_('octogona')T.V. Desikachary & P. Prema image
Triceratium favus f. parvumN. Woodhead & R.D. Tweed image
Triceratium favus f. pentagonaA. Truan y Luard & O.N. Witt image
Triceratium favus f. pentagonaE. Grove & G. Sturt image
Triceratium favus f. quadratum_('quadrata') - - image
Triceratium favus var. heptagonaA. Grunow image
Triceratium favus var. late-areolatum_('late-areolata')Castracane image
Triceratium favus var. maximum_('maxima')A. Grunow image
Triceratium favus var. pacificum_('pacifica')Castracane image
Triceratium favus var. planumC.G. Ehrenberg image
Triceratium favus var. planum_('plan.')C.G. Ehrenberg image
Triceratium favus var. quadratum_('quadrata')A. Grunow image
Triceratium favus var. spinigerumP.T. Cleve image
Triceratium favus var. subconvexum_('subconvexa')A.W.F. Schmidt image
Triceratium favus var. turgidumC.G. Ehrenberg image
Triceratium favus var. ventricosumC.G. Ehrenberg image
Triceratium favus var. ventricosumF.T. Kützing image
Triceratium febigeriW.C. Walker image
Triceratium fenestratumO.N. Witt image
Triceratium feroxA.W.F. Schmidt image
Triceratium feroxCastracane image
Triceratium figuratumR.K. Greville image
Triceratium fimbriatumG.C. Wallich image
Triceratium finnmarchicumA. Grunow image
Triceratium firmumR.K. Greville image
Triceratium firthiG.D. Hanna & A.L. Brigger image
Triceratium fischeriA.W.F. Schmidt image
Triceratium flabelliferumJ.W. Barker & S.H. Meakin image
Triceratium flexuosumR.K. Greville image
Triceratium flosC.G. Ehrenberg image
Triceratium flos var. duplicatum(A. Schmidt) A. Cleve-Euler image
Triceratium flos var. intermedium_('intermedia')A. Grunow image
Triceratium flos var. italicum_('italica')A.I. Forti image
Triceratium formosum f. quadratumF. Heydrich image
Triceratium formosumT. Brightwell image
Triceratium formosum var. pentagonale_('pentagonalis')A.W.F. Schmidt image
Triceratium forresteri_('forresterii')J.A. Tempère image
Triceratium fossileA. Grunow image
Triceratium foveatum f. minus_('minor')A.W.F. Schmidt image
Triceratium foveatumR.K. Greville image
Triceratium fractumW.C. Walker & H.H. Chase image
Triceratium fragileJ. Pantocsek image
Triceratium frauenfeldiiA. Grunow image
Triceratium fulkiiJ.A. Tempère image
Triceratium fusus [(C.G.Ehrenberg)] S.T. Moses image
Triceratium gallapagenseP.T. Cleve image
Triceratium geminumA.W.F. Schmidt image
Triceratium gemmatumA.P. Jouse image
Triceratium gibbosum var. crenulatum_('crenulata')A. Grunow image
Triceratium gibbosum var. crenulatum_('crenulata')A. Grunow image
Triceratium gibbosum var. elongatum_('elongata')A. Grunow image
Triceratium gibbosum var. excisum_('excisa')A. Grunow image
Triceratium gibbosumW.H. Harvey & Bailey image
Triceratium giennenseF. Azpeitia Moros image
Triceratium giganteum f. minus_('minor')A.W.F. Schmidt image
Triceratium giganteumR.K. Greville image
Triceratium glandariumA.W.F. Schmidt image
Triceratium glandiferumA. Grunow image
Triceratium globosum "Bailey" image
Triceratium globuliferum var. rotundum_('rotunda')J.-J. Brun image
Triceratium globuliferum_('globulifer')J.-J. Brun image
Triceratium godeffroyiA. Grunow image
Triceratium gracileF. Hustedt image
Triceratium gracillimumF. Hustedt image
Triceratium grande f. pentagonaJ. Pantocsek image
Triceratium grande f. quadratum_('quadrata')A.I. Forti image
Triceratium grande f. quadratum_('quadrata')E. Grove & G. Sturt image
Triceratium grande f. quadratum_('quadrata')J.A. Tempère image
Triceratium grandeT. Brightwell image
Triceratium grande var. angulatum_('angulata')F. Kitton image
Triceratium grande var. pentagonaA. Grunow image
Triceratium grande var. quadrangulare_('quadrangularis')A.I. Forti image
Triceratium grande var. quadrangulare_('quadrangularis')A.I. Forti image
Triceratium grande var. septangulatum_('septangulata')F. Kitton image
Triceratium granulatumW.C. Walker & H.H. Chase image
Triceratium gratiosumR.K. Greville image
Triceratium gratumA.W.F. Schmidt image
Triceratium graveA.W.F. Schmidt image
Triceratium grayiiE. Grove & G. Sturt image
Triceratium groningense f. quadratum_('quadrata')A.M. Gombos & P.F. Ciesielski image
Triceratium groningense_('groningensis')T. Reinhold image
Triceratium groveiJ. Pantocsek image
Triceratium grovei var. boryanumJ. Pantocsek image
Triceratium gruendleriA.W.F. Schmidt image
Triceratium gruendleriA.W.F. Schmidt image
Triceratium grunowianumCastracane image
Triceratium grunowiiC. Janisch image
Triceratium guinenseG. Leuduger-Fortmorel image
Triceratium gurowiiJ. Pantocsek image
Triceratium guttatumP.T. Cleve image
Triceratium guttatum var. minus_('minor')F. Azpeitia Moros image
Triceratium haitianumF. Hustedt image
Triceratium hannaianumF. Hustedt image
Triceratium hardmanianumR.K. Greville image
Triceratium harrisonianum f. minutum_('minuta')A.W.F. Schmidt image
Triceratium harrisonianumG. Norman & R.K. Greville image
Triceratium harrisonianum var. solidum_('solida')W.C. Walker & H.H. Chase image
Triceratium heibergianumA. Grunow image
Triceratium heibergiiA. Grunow image
Triceratium heibergii var. rostratumA.P. Jouse image
Triceratium heilprinianumC.H. Kain & E.A. Schultze image
Triceratium heilprinianumC.H. Kain & E.A. Schultze image
Triceratium hertleiniG.D. Hanna image
Triceratium heteroporumA. Grunow image
Triceratium heterostictumA.W.F. Schmidt image
Triceratium hilaratumJ. Pantocsek image
Triceratium horridum f. quadrigonaJ. Pantocsek image
Triceratium horridum f. tetragonaJ. Pantocsek image
Triceratium horridumJ. Pantocsek image
Triceratium horridumT. Brightwell image
Triceratium hungaricumJ. Pantocsek image
Triceratium hyalinumT. Brightwell image
Triceratium hybridumA. Grunow image
Triceratium hybridum var. australe_('australis')A. Grunow image
Triceratium hybridum var. kamtschaticum_('kamtschatica')A. Grunow image
Triceratium hybridum var. perforatum_('perforata')M. Peragallo image
Triceratium hystrixJ. Pantocsek image
Triceratium idoneumJ. Pantocsek image
Triceratium illustrumJ. Pantocsek image
Triceratium imparA.W.F. Schmidt image
Triceratium imperatorA. Truan y Luard & O.N. Witt image
Triceratium implicatumR.K. Greville image
Triceratium impressumA. Grunow image
Triceratium inaequaleR.K. Greville image
Triceratium incisumA.W.F. Schmidt image
Triceratium inconspicuum var. trilobatum ["trilobata"]J. Fenner image
Triceratium incrassatumCastracane image
Triceratium indefinitum(A.P. Jouse) N.I. Strelnikova image
Triceratium indentatumC.H. Kain & E.A. Schultze image
Triceratium indentatumC.H. Kain & E.A. Schultze image
Triceratium inelegansR.K. Greville image
Triceratium inelegans var. araeoporaA. Grunow image
Triceratium inelegans var. microporaA. Grunow image
Triceratium inelegans var. microporaA. Grunow image
Triceratium inelegans var. nicobaricum_('nicobarica')A. Grunow image
Triceratium inelegans var. tubulosum_('tubulosa')J.-J. Brun image
Triceratium inelegans var. yucatense_('yucatensis')A. Grunow image
Triceratium inflatumR.K. Greville image
Triceratium inopinatumR.K. Greville image
Triceratium inornatumR.K. Greville image
Triceratium insigne f. minus_('minor')A.W.F. Schmidt image
Triceratium insigne_('insignis')R.K. Greville image
Triceratium insuaveA. Truan y Luard & O.N. Witt image
Triceratium insuave f. tetragonaA. Truan y Luard & O.N. Witt image
Triceratium insuave f. trigonaA. Truan y Luard & O.N. Witt image
Triceratium insutumCastracane image
Triceratium interjectumA.W.F. Schmidt image
Triceratium intermediumE. Grove & G. Sturt image
Triceratium interpunctatumA. Grunow image
Triceratium intricatumT. West image
Triceratium irregulareR.K. Greville image
Triceratium irregulare var. hebetatum_('hebetata')A. Grunow image
Triceratium irregulare var. spiniferum_('spinifera')T. Reinhold image
Triceratium janischiiA. Truan y Luard & O.N. Witt image
Triceratium japonicumA.W.F. Schmidt image
Triceratium javanicumP.T. Cleve image
Triceratium jensenianumA. Grunow image
Triceratium jeremianumA.W.F. Schmidt image
Triceratium jimboiJ. Pantocsek image
Triceratium johnsoniJ. Ralfs image
Triceratium jordanii_('Jordani')A. Truan y Luard & O.N. Witt image
Triceratium jucatenseA. Grunow image
Triceratium jucundumJ. Pantocsek image
Triceratium junctumA.W.F. Schmidt image
Triceratium junctum var. fossile_('fossilis')Pantocsek image
Triceratium kainiiE.A. Schultze image
Triceratium kainiiE.A. Schultze image
Triceratium kainii var. constrictumE.A. Schultze image
Triceratium kainii var. constrictumE.A. Schultze image
Triceratium kanayae var. kanayae - - image
Triceratium kennettii_('kennetti')M. Hajós & H. Stradner image
Triceratium kidstoniiJ. Pantocsek image
Triceratium kinkeriA.W.F. Schmidt image
Triceratium kinkerianumJ.-J. Brun image
Triceratium kinkerianumO.N. Witt image
Triceratium kittonianumR.K. Greville image
Triceratium kolbeiF. Hustedt image
Triceratium kolbei var. uralenseA.P. Jouse image
Triceratium kuepperiM. Hajós & H. Stradner image
Triceratium kusnetzkianumJ. Pantocsek image
Triceratium labyrinthaeumR.K. Greville image
Triceratium laetum f. doljenseA. Jurilj image
Triceratium laetumJ. Pantocsek image
Triceratium laeveP.T. Cleve image
Triceratium laevepunctatumO.N. Witt image
Triceratium lahuseniiJ. Pantocsek image
Triceratium lanceolatumJ. Pantocsek image
Triceratium latipes ["latepes"]J. Fenner image
Triceratium latumR.K. Greville image
Triceratium latum var. dissimile_('dissimilis')(A. Grunow) A.I. Forti image
Triceratium latum var. inglorium(R.K. Greville) A.I. Forti image
Triceratium lautourianumE. Grove image
Triceratium lautumR.K. Greville image
Triceratium ligulatumR.K. Greville image
Triceratium lineatum f. biangulatum_('biangulata')L.J. Laporte & P. Lefebure image
Triceratium lineatumR.K. Greville image
Triceratium lineolatumR.K. Greville image
Triceratium lineolatum var. gratiosum_('gratiosa')J.-J. Brun image
Triceratium lobatogemmatumJ.-J. Brun image
Triceratium lobatogemmatum var. ornatum_('ornata')J.-J. Brun image
Triceratium lobatumR.K. Greville image
Triceratium loczyi_('lóczyi')J. Pantocsek image
Triceratium loczyi_('lóczyi') var. confluensJ. Pantocsek image
Triceratium lucidumJ. Pantocsek image
Triceratium luculentumF. Hustedt image
Triceratium luminosumJ.A. Tempère & J.-J. Brun image
Triceratium lunatumJ.A. Long, D.P. Fuge & J. Smith image
Triceratium lustratumJ.A. Long, D.P. Fuge & J. Smith image
Triceratium macroporumM. Hajós image
Triceratium maculatumF. Kitton image
Triceratium madagascarenseA. Grunow image
Triceratium majus(E. Grove & G. Sturt) E. Grove & G. Sturt image
Triceratium majusE. Grove & G. Sturt image
Triceratium malleusT. Brightwell image
Triceratium mamillanumDebes image
Triceratium mammiferumA. Grunow image
Triceratium mammiferum var. minus_('minor')A. Grunow image
Triceratium mammosumR.K. Greville image
Triceratium margaritaceumJ. Ralfs image
Triceratium margaritiferumP.T. Cleve image
Triceratium marginatumT. Brightwell image
Triceratium marylandicumT. Brightwell image
Triceratium megastomumC.G. Ehrenberg image
Triceratium megastomum f. quadratum_('quadrata')(A. Grunow) A. Amosse image
Triceratium membranaceumT. Brightwell image
Triceratium mereskovskiiJ. Pantocsek image
Triceratium microcephalumR.K. Greville image
Triceratium microporumC.G. Ehrenberg image
Triceratium microstictumR.K. Greville image
Triceratium microstigmaC.G. Ehrenberg image
Triceratium microtisA. Grunow image
Triceratium microtis var. quadriocellatum_('quadriocellata')J. Pantocsek image
Triceratium minutumW.C. Walker & H.H. Chase image
Triceratium mirificumJ.-J. Brun image
Triceratium modestumR.K. Greville image
Triceratium moelleriJ. Pantocsek image
Triceratium montereyi var. primordiale_('primordialis')J.-J. Brun image
Triceratium montereyi_('Montereyii')T. Brightwell image
Triceratium morenoenseJ.W. Barker & S.H. Meakin image
Triceratium morlandiiE. Grove & G. Sturt image
Triceratium morlandii var. apertum_('aperta')A. Grunow image
Triceratium morlandii var. flexuosum_('flexuosa')E. Grove & G. Sturt image
Triceratium morlandii var. subapertum_('subaperta')A. Grunow image
Triceratium moronenseR.K. Greville image
Triceratium moronense var. nicobaricum ["nicobarica"]A. Grunow image
Triceratium mucronatumA.W.F. Schmidt image
Triceratium multifrons f. strictum_('stricta')F. Hustedt image
Triceratium multifronsJ.-J. Brun image
Triceratium multiplexC. Janisch image
Triceratium multiplex f. minus_('minor')A.W.F. Schmidt image
Triceratium muricatumT. Brightwell image
Triceratium muricatum var. fossile_('fossilis')A. Grunow image
Triceratium muricatum var. nudumJ. Pantocsek image
Triceratium nancoorense var. italicum_('italica')A.I. Forti image
Triceratium nancoorense var. italicum_('italica')A.I. Forti image
Triceratium nebulosumC.G. Ehrenberg image
Triceratium nebulosumR.K. Greville image
Triceratium needhamiG.D. Hanna & A.L. Brigger image
Triceratium neglectumR.K. Greville image
Triceratium nervosumJ. Pavillard image
Triceratium nervosumJ. Pavillard image
Triceratium nicobaricumA. Grunow image
Triceratium nitescens f. minus_('minor')L.J. Laporte & P. Lefebure image
Triceratium nitescensR.K. Greville image
Triceratium nitidumR.K. Greville image
Triceratium nobile(R.K. Greville) P.T. Cleve image
Triceratium nobileO.N. Witt image
Triceratium normanianumR.K. Greville image
Triceratium normanianum var. sextansJ.-J. Brun image
Triceratium notabileR.K. Greville image
Triceratium notabile_('notabilis')O.S. Korotkevich image
Triceratium notatumJ. Pantocsek image
Triceratium novazealandicum_('nova zealandicum')(E. Grove & G. Sturt) E. Grove & G. Sturt image
Triceratium novazeelandica_('NovaeSeelandiae') A.W.F. Schmidt image
Triceratium nudumJ. Pantocsek image
Triceratium oamaruenseE. Grove & G. Sturt image
Triceratium oamaruense var. sparsim-punctatum_('sparsim-punctata')E. Grove image
Triceratium obesum f. tetragonaJ.-J. Brun image
Triceratium obesumR.K. Greville image
Triceratium obliquumA. Grunow image
Triceratium obscurum f. minus_('minor')A.W.F. Schmidt image
Triceratium obscurumR.K. Greville image
Triceratium obtusangulumF. Hustedt image
Triceratium obtusumC.G. Ehrenberg image
Triceratium obtusumC.G. Ehrenberg image
Triceratium obtusumK.G. Shibkova image
Triceratium occultumF. Hustedt image
Triceratium ocellatumC.G. Ehrenberg image
Triceratium oculatum f. hillabyanum_('hillabyana')J.-J. Brun image
Triceratium oculatumR.K. Greville image
Triceratium officiosumF. Hustedt image
Triceratium orbiculatumG. Shadbolt image
Triceratium orbiculatumK.G. Shibkova image
Triceratium orbiculatum var. elongatumA. Grunow image
Triceratium orientaleW.H. Harvey & Bailey image
Triceratium ornatum f. tetragona-parvum_('tetragona-parva')A. Grunow image
Triceratium ornatumR.K. Greville image
Triceratium ornatum var. fallaciosumA. Grunow image
Triceratium pallidumR.K. Greville image
Triceratium pantocsekii f. convexum_('convexa')J. Pantocsek image
Triceratium pantocsekii f. hexagonaJ. Pantocsek image
Triceratium pantocsekii f. pentagonaJ. Pantocsek image
Triceratium pantocsekii var. genuinaJ. Pantocsek image
Triceratium pantocsekii var. hexagonum(J. Pantocsek) L.J. Laporte & P. Lefebure image
Triceratium pantocsekii var. rectangulare_('rectangularis')A.I. Forti image
Triceratium pantocsekii var. rectangulare_('rectangularis')A.I. Forti image
Triceratium pantocsekii_('pantoczekii')A.W.F. Schmidt image
Triceratium papillatumE. Grove & G. Sturt image
Triceratium papillatumF. Kitton image
Triceratium parallelum(C.G. Ehrenberg) R.K. Greville image
Triceratium parallelum f. parvum_('parva')A. Grunow image
Triceratium parallelum f. trigonaA.W.F. Schmidt image
Triceratium parallelum var. balearicum_('balearica')A. Gunow image
Triceratium parallelum var. coloniense_('coloniensis')A. Grunow image
Triceratium parallelum var. gibbosum_('gibbosa')(E. Grove & G. Sturt) E. Grove & G. Sturt image
Triceratium parallelum var. gibbosum_('gibbosa')E. Grove & G. Sturt image
Triceratium parallelum var. madagascarense_('madagascarensis')A. Grunow image
Triceratium parallelum var. sparsum_('sparsa')A. Grunow image
Triceratium parallelum var. trigonaA. Grunow image
Triceratium parallelum var. trigona-parvum_('trigona-parva')A.W.F. Schmidt image
Triceratium pardusA.W.F. Schmidt image
Triceratium parmulaT. Brightwell image
Triceratium partitumR.K. Greville image
Triceratium patagonicumA.W.F. Schmidt image
Triceratium pauperculumR.K. Greville image
Triceratium pavimentosumCastracane image
Triceratium pectinatumR.K. Greville image
Triceratium pelagicum(J.L.B. Schröder) A. Sournia image
Triceratium pentacrinus f. minus_('minor')A.W.F. Schmidt image
Triceratium pentacrinus f. quadratum_('quadrata')A.I. Forti image
Triceratium pentacrinusG.C. Wallich image
Triceratium pentacrinus var. loczyiJ. Pantocsek image
Triceratium pentacrinus var. quadratum_('quadrata')A.I. Forti image
Triceratium peragalloi f. typicaJ.-J. Brun image
Triceratium peragalloi var. subrotundatum_('subrotundata')J.-J. Brun image
Triceratium peragalloi_('peragalloii')J. Pantocsek image
Triceratium permagnumC. Janisch image
Triceratium perminutumR.K. Greville image
Triceratium perplexumJ.A. Long, D.P. Fuge & J. Smith image
Triceratium perpusillumR.K. Greville image
Triceratium perryanumTruan & Witt image
Triceratium pethoeiJ. Pantocsek image
Triceratium petitianumG. Leuduger-Fortmorel image
Triceratium petitiiJ. Pantocsek image
Triceratium picturatumR.K. Greville image
Triceratium pileatumA. Grunow image
Triceratium pileolusC.G. Ehrenberg image
Triceratium pileolus var. minutum_('minuta')F. Hustedt image
Triceratium pileusC.G. Ehrenberg image
Triceratium pileus var. robustius_('robustior')J. Pantocsek image
Triceratium plenumE. Grove & G. Sturt image
Triceratium plicatum(A. Grunow) A. Grunow image
Triceratium plumosumR.K. Greville image
Triceratium polygibbumJ. Pantocsek image
Triceratium polygoniumR.K. Greville image
Triceratium polymorphum ["polymorphus"]D.M. Harwood & T. Maruyama image
Triceratium ponderosumA.M. Edwards image
Triceratium ponderosumA.M. Edwards image
Triceratium portuosumC. Janisch image
Triceratium praeferoxJ. Pantocsek image
Triceratium praetenueR.K. Greville image
Triceratium praeturgidumK.G. Shibkova image
Triceratium productissimumP. Bergon image
Triceratium productumR.K. Greville image
Triceratium productum var. baleraricumP.T. Cleve & A. Grunow image
Triceratium prominensR.K. Greville image
Triceratium propriumJ. Pantocsek image
Triceratium protractumJ. Pantocsek image
Triceratium pruinosumJ.A. Long, D.P. Fuge & J. Smith image
Triceratium pseudo-nervatumE. Grove & G. Sturt image
Triceratium pseudoarcticumJ. Pantocsek image
Triceratium pulchellumA. Grunow image
Triceratium pulcherrimumR.K. Greville image
Triceratium pulchrumF. Hustedt image
Triceratium pulvinarA.W.F. Schmidt image
Triceratium punctato-lineatumA.W.F. Schmidt image
Triceratium punctatum f. hexagonaA. Grunow image
Triceratium punctatum f. pentagonaA. Grunow image
Triceratium punctatum f. pentagona_('5-gona')A. Grunow image
Triceratium punctatum f. tetragonaH. Heiden & R.W. Kolbe image
Triceratium punctatumT. Brightwell image
Triceratium punctatum var. hexagonaLeuduger-Fortmorel image
Triceratium punctatum var. quinquegonaLeuduger-Fortmorel image
Triceratium punctigerumCastracane image
Triceratium quadrangulareR.K. Greville image
Triceratium quadrangulare var. pentagonaA. Grunow image
Triceratium quadratumR.K. Greville image
Triceratium quadricorneR.K. Greville image
Triceratium quadrinotatumA.W.F. Schmidt image
Triceratium quinquefoliumG. Leuduger-Fortmorel image
Triceratium quinquelobatumR.K. Greville image
Triceratium radians f. quadratum_('quadrata')J.-J. Brun image
Triceratium radiansJ.A. Tempère & J.-J. Brun image
Triceratium radians var. italicum_('italica')A.I. Forti image
Triceratium radiato-punctatumA.W.F. Schmidt image
Triceratium radiato-punctatum f. minus_('minor')J. Pantocsek image
Triceratium radiato-punctatum var. calcareum_('calcarea')J.A. Tempère & J.-J. Brun image
Triceratium radiatumT. Brightwell image
Triceratium radiatum var. minus_('minor')A.W.F. Schmidt image
Triceratium radiolatumC. Janisch image
Triceratium radioso-reticulatumA. Grunow image
Triceratium rattrayiJ. Pantocsek image
Triceratium receptumA.W.F. Schmidt image
Triceratium rectangulareE. Grove & G. Sturt image
Triceratium renunciatumJ. Pantocsek image
Triceratium reticulatumR.K. Greville image
Triceratium reticulumC.G. Ehrenberg image
Triceratium reticulumC.G. Ehrenberg image
Triceratium reticulum f. hexagonaleM. Ricard image
Triceratium reticulum f. pentagonaA. Cleve-Euler image
Triceratium reticulum f. tetragonaA. Cleve-Euler image
Triceratium reticulum f. trigonaA. Cleve-Euler image
Triceratium reticulum f. trigona-minutum_('trigona-minuta')A. Cleve-Euler image
Triceratium riedyi(G.D. Hanna & W.M. Grant) T. Reinhold image
Triceratium rivaleA.W.F. Schmidt image
Triceratium robertsianum f. inerme_('inermis')A.W.F. Schmidt image
Triceratium robertsianumR.K. Greville image
Triceratium robertsianumR.K. Greville image
Triceratium robertsianum var. dwarkensumJ.N. Misra image
Triceratium robertsianum var. macracanthum_('macracantha')A. Grunow image
Triceratium robertsianum var. manorenseK.M. Salim & M.M. Iqbal image
Triceratium robustumR.K. Greville image
Triceratium rostratumP.C.M. Petit image
Triceratium rotiferum_('rotifer')G. Leuduger-Fortmorel image
Triceratium rotundatumR.K. Greville image
Triceratium rugosumE. Grove & G. Sturt image
Triceratium russlandicumJ.A. Tempère image
Triceratium rylandsianumR.K. Greville image
Triceratium rzehakiiJ. Pantocsek image
Triceratium sancta-helenae_('st.-helenae')H. Heiden image
Triceratium saratovianumJ. Pantocsek image
Triceratium sarcophagusCastracane image
Triceratium sarmaticumJ. Pantocsek image
Triceratium schlumbergeriJ.A. Tempère & J.-J. Brun image
Triceratium schmidtiiC. Janisch image
Triceratium schmidtiiN.V. Anissimova image
Triceratium schmidtii var. pustulatum_('pustulata')A.W.F. Schmidt image
Triceratium schulziiA.P. Jouse image
Triceratium schulziiA.P. Jouse image
Triceratium schulzii var. quadrilobum ["quadriloba"]J. Fenner image
Triceratium scitulum f. quadratum_('quadrata')A.W.F. Schmidt image
Triceratium scitulumT. Brightwell image
Triceratium scitulum var. quadratum - - image
Triceratium scopusJ.-J. Brun image
Triceratium sculptumG. Shadbolt image
Triceratium sculptum var. petropolitanum_('petropolitana')A. Grunow image
Triceratium secedensA.W.F. Schmidt image
Triceratium secedens var. quadratum_('quadrata')A.I. Forti image
Triceratium secedens var. quadratum_('quadrata')A.I. Forti image
Triceratium secernendumA.W.F. Schmidt image
Triceratium semicirculareT. Brightwell image
Triceratium semseyiJ. Pantocsek image
Triceratium sendaienseA.W.F. Schmidt image
Triceratium sendaiense f. quadratum_('quadrata')A.W.F. Schmidt image
Triceratium sentum f. maius_('maior')F. Hustedt image
Triceratium sentumO.N. Witt image
Triceratium separatumA.W.F. Schmidt image
Triceratium septumJ. Pantocsek image
Triceratium serratumG.C. Wallich image
Triceratium setigerumBailey image
Triceratium sexangulatumR.K. Greville image
Triceratium sexapartitumE. Grove & G. Sturt image
Triceratium seychellenseA. Grunow image
Triceratium shadboltianum f. pentagonaA. Grunow image
Triceratium shadboltianumR.K. Greville image
Triceratium shadboltianum var. circulare(A. Grunow) E.J. Lemmermann image
Triceratium shadboltianum var. pentagonia(A. Grunow) E.J. Lemmermann image
Triceratium shadboltianum var. robustumE.J. Lemmermann image
Triceratium shadboltiiBailey image
Triceratium sibiricumA.P. Jouse image
Triceratium sidereumA.W.F. Schmidt image
Triceratium simileF. Hustedt image
Triceratium simplexJ.-J. Brun image
Triceratium sineneseSchwarz image
Triceratium smithianumR.K. Greville image
Triceratium smithiiJ. Pantocsek image
Triceratium sokolowiiJ. Pantocsek image
Triceratium solA. Grunow image
Triceratium solA.W.F. Schmidt image
Triceratium solenocerosC.G. Ehrenberg image
Triceratium sollemneA.P. Jouse image
Triceratium sparsimpunctatum ["sparsimpunctata"]A.P. Jouse image
Triceratium sparsipunctatumF. Hustedt image
Triceratium speciosumJ. Pantocsek image
Triceratium spectabileJ.F. Weisse image
Triceratium spinosumBailey image
Triceratium spinosum f. minor-fossile_('minor-fossilis')A. Grunow image
Triceratium spinosum var. ornatum_('ornata')E. Grove & G. Sturt image
Triceratium spinosum var. tetragonaA. Grunow image
Triceratium spinulosumA. Grunow image
Triceratium splendidumF. Hustedt image
Triceratium squamatumJ. Pantocsek image
Triceratium squamatum var. radiatum_('radiata')J.-J. Brun image
Triceratium squamiferumJ. Pantocsek image
Triceratium staubiiJ. Pantocsek image
Triceratium stellatumF. Meister image
Triceratium stigmaticumJ. Pantocsek image
Triceratium stokesianum f. anomalum_('anomala')A.I. Forti image
Triceratium stokesianum f. parvulum_('parvula')A.I. Forti image
Triceratium stokesianum f. parvulum_('parvula')A.I. Forti image
Triceratium stokesianumR.K. Greville image
Triceratium stokesianum var. moravicum_('moravica')A. Grunow image
Triceratium stolterfothiiA. Truan y Luard & O.N. Witt image
Triceratium straboA.W.F. Schmidt image
Triceratium striolatumC.G. Ehrenberg image
Triceratium striolatumC.G. Ehrenberg image
Triceratium sturtiiJ. Pantocsek image
Triceratium subcapitatumJ. Pantocsek image
Triceratium subcapitatumR.K. Greville image
Triceratium subcapitatum var. baccatum_('baccata')J.-J. Brun image
Triceratium subcapitatum var. russicum_('russica')J. Pantocsek image
Triceratium subcapitatum var. spinosum_('spinosa')A.I. Forti image
Triceratium subcornutumA. Grunow image
Triceratium sublimeA.W.F. Schmidt image
Triceratium subofficiosumF. Hustedt image
Triceratium suborbiculareJ. Pantocsek image
Triceratium suborbiculare var. latilimbaA.I. Forti image
Triceratium suborbiculare var. latilimbaA.I. Forti image
Triceratium suborbiculare var. subcyclicum_('subcyclica')A.I. Forti image
Triceratium suborbiculare var. subcyclicum_('subcyclica')A.I. Forti image
Triceratium subquadrangulareF. Hustedt image
Triceratium subrotundatumA.W.F. Schmidt image
Triceratium subrotundatum f. italicum_('italica')A.I. Forti image
Triceratium subundosumF. Hustedt image
Triceratium succinctumA. Truan y Luard & O.N. Witt image
Triceratium sundbyenseF. Hustedt image
Triceratium szakalenseJ. Pantocsek image
Triceratium tabellariumT. Brightwell image
Triceratium tabellarium var. areolatumK.G. Shibkova image
Triceratium tabellarium var. diplostictaA. Grunow image
Triceratium taeniatumF. Hustedt image
Triceratium tahitienseCastracane image
Triceratium tectumJ. Pantocsek image
Triceratium tempereiJ.-J. Brun image
Triceratium tertiariumJ. Pantocsek image
Triceratium tessellatumR.K. Greville image
Triceratium testudoJ.-J. Brun image
Triceratium tetragonumJ. Pantocsek image
Triceratium thaitienseCastracane image
Triceratium thumiiA.W.F. Schmidt image
Triceratium thwaitesianumR.K. Greville image
Triceratium triasicum_('triascium')J. Pantocsek image
Triceratium tridactylumT. Brightwell image
Triceratium tridactylum var. saxolanaA.I. Forti image
Triceratium tridactylum var. saxolanaA.I. Forti image
Triceratium trifoliatumJ.W. Barker & S.H. Meakin image
Triceratium trifoliatumP.T. Cleve image
Triceratium trifoliumA.W.F. Schmidt image
Triceratium trigonumA.W.F. Schmidt image
Triceratium trilineatumR.K. Greville image
Triceratium trilingulatum "T.Brightwell" image
Triceratium trinitasJ.-J. Brun image
Triceratium trinitas var. minimum_('minima')J.-J. Brun image
Triceratium trinitas var. strictum_('stricta')F. Hustedt image
Triceratium triorbicumA.W.F. Schmidt image
Triceratium tripartitumA. Grunow image
Triceratium tripartitum var. miocenaJ.-J. Brun image
Triceratium tripectenJ.-J. Brun image
Triceratium tripecten var. spathulatum_('spathulata')J.-J. Brun image
Triceratium tripesJ.-J. Brun image
Triceratium triplexJ.-J. Brun image
Triceratium tripolare_('tripolaris')J.A. Tempère & J.-J. Brun image
Triceratium tripos f. majus_('major')P.T. Cleve image
Triceratium triposP.T. Cleve image
Triceratium tripos var. microtisA. Grunow image
Triceratium trisulcumBailey image
Triceratium trisulcum f. italicum_('italica')A.I. Forti image
Triceratium trisulcum var. acutilobum_('acutiloba')A.I. Forti image
Triceratium trisulcum var. acutilobum_('acutiloba')A.I. Forti image
Triceratium trisulcum var. cuneatum_('cuneata')A. Grunow image
Triceratium trisulcum var. haytianum_('haytiana')A. Truan y Luard & O.N. Witt image
Triceratium trisulcum var. hungaricum_('hungarica')J. Pantocsek image
Triceratium trisulcum var. minus_('minor')P.T. Cleve image
Triceratium trisulcum var. miocenicum_('miocenica')A.I. Forti image
Triceratium trisulcum var. productum_('producta')A. Truan y Luard & O.N. Witt image
Triceratium truaniiJ. Pantocsek image
Triceratium truncatumJ.-J. Brun image
Triceratium truncatumT. Brightwell image
Triceratium tschestnovii(J. Pantocsek) J. Pantocsek image
Triceratium tulkiiJ.A. Tempère image
Triceratium tumescensCastracane image
Triceratium tumidumR.K. Greville image
Triceratium tumidum var. costulatum_('costulata')A. Grunow image
Triceratium turgidulumF. Hustedt image
Triceratium turgidumA.W.F. Schmidt image
Triceratium turgidumP.T. Cleve image
Triceratium turriferumA. Truan y Luard & O.N. Witt image
Triceratium udiense_('udiensis')F. Hustedt image
Triceratium umbilicatumJ. Ralfs image
Triceratium uncinatumA.W.F. Schmidt image
Triceratium undatumA. Grunow image
Triceratium undatumA.M. Edwards image
Triceratium undatumJ. Pantocsek image
Triceratium undosumJ. Pantocsek image
Triceratium undulansJ.W. Barker & S.H. Meakin image
Triceratium undulatumC.G. Ehrenberg image
Triceratium undulatum var. petropolitanum_('petropolitana')A. Grunow image
Triceratium undulatumW. Smith image
Triceratium unguiculatumR.K. Greville image
Triceratium uviferumA.W.F. Schmidt image
Triceratium validumA. Grunow image
Triceratium validum f. italicum_('italica')A.I. Forti image
Triceratium variableT. Brightwell image
Triceratium variansF. Hustedt image
Triceratium variegatumR.K. Greville image
Triceratium vastumJ. Pantocsek image
Triceratium vatesJ. Pantocsek image
Triceratium venosum f. majus_('major')A.W.F. Schmidt image
Triceratium venosum f. parvum_('parva')A.W.F. Schmidt image
Triceratium venosumT. Brightwell image
Triceratium venosum var. majus_('major')L.J. Laporte & P. Lefebure image
Triceratium ventriculosumA.W.F. Schmidt image
Triceratium venulosum f. quadratum_('quadrata')F. Hustedt image
Triceratium venulosumR.K. Greville image
Triceratium venulosum var. japonicum_('japonica')J.A. Tempère & J.-J. Brun image
Triceratium venulosum var. majus_('major')E. Grove & G. Sturt image
Triceratium venustumO.N. Witt image
Triceratium verecundumF. Hustedt image
Triceratium versicolor f. acutangulum_('acutangula')J.-J. Brun image
Triceratium versicolorJ. Brun image
Triceratium versicolor var. cuneatum_('cuneata')J.-J. Brun image
Triceratium veterariumF. Hustedt image
Triceratium vetustumF. Hustedt image
Triceratium vittatumJ. Pantocsek image
Triceratium wallichiiJ. Ralfs image
Triceratium websteri_('websterii')J.A. Tempère image
Triceratium weisseanum_('weisseianum')J. Pantocsek image
Triceratium weissflogiiE. Grove & G. Sturt image
Triceratium weissflogiiW.C. Walker & H.H. Chase image
Triceratium weissiiA. Grunow image
Triceratium weissiiA. Grunow ex O.N. Witt image
Triceratium weissii var. spinosum_('spinosa')A.I. Forti image
Triceratium weissii var. spinosum_('spinosa')A.I. Forti image
Triceratium westianumR.K. Greville image
Triceratium whampoenseSchwarz image
Triceratium wilkesiiW.H. Harvey & Bailey image
Triceratium wittianumA. Truan y Luard image
Triceratium wittiiA.W.F. Schmidt image
Triceratium wittii f. hexagona(J. Pantocsek) J. Pantocsek image
Triceratium wittii f. quadratamajus_('quadrata major')A.I. Forti image
Triceratium wittii f. quadratum_('quadrata')A.I. Forti image
Triceratium wittii f. quadratum_('quadrata')A.I. Forti image
Triceratium wittii f. trigonaA.I. Forti image
Triceratium zonatulatum f. triangulare_('triangularis')A.W.F. Schmidt image
Triceratium zonatulatum f. trigonaA.W.F. Schmidt image
Triceratium zonatulatumR.K. Greville image
Triceratium zonatumR.K. Greville image
Triceratium zonulatum "R.K.Greville" image