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
| Name | Author | Source | Citation | Year |
|---|---|---|---|---|
| Asteromonas phacus | Pascher | image | ||
| Characiopsis microcysticola f. phacuscola | J.A. Rino | Revista Ci. Biol., Fac. Ci. Univ. Lourenc\*,o Marques, A, | 5: 177, pl. X: figs. 12-14 | 1972 |
| CHLAMYDOPHACUS | J. Massart | image | ||
| Chlamydophacus compressus | J. Massart | image | ||
| CHLOROPHACUS | Pochmann | image | ||
| Diplostauron phacus | Skvortzov | image | ||
| EUPHACUS | Lemmermann | image | ||
| HYALOPHACUS | E.G. Pringsheim | image | ||
| Hyalophacus caecus | H.R. Christen | image | ||
| Hyalophacus klebsii | E.G. Pringsheim | image | ||
| Hyalophacus ocellatus var. major | E.G. Pringsheim | image | ||
| Hyalophacus ocellatus var. minor | E.G. Pringsheim | image | ||
| Hyalophacus ocellatus_('ocellata') | E.G. Pringsheim | image | ||
| Hyalophacus ocellatus_(`ocellata') | E.G. Pringsheim | Arch. Protistenk. | 87: 73, fig. 9 | 1936 |
| Hyalophacus pleuronectes | (O.F. Müller) E.G. Pringsheim | image | ||
| Hyalophacus pleuronectes | (O.F. Mueller) E.G. Pringsheim | Farblose Algen: | 58 | 1963 |
| Hyalophacus pleuronectes f. hyalinus | (G.A. Klebs) E.G. Pringsheim | image | ||
| Hyalophacus tiszae | T. Hortobágyi | image | ||
| MIKROPHACUS | Kiss | image | ||
| PHACUS | Dujardin | image | ||
| PHACUS | Nitzsch | image | ||
| PHACUS sect. | DOLICHOPLASTES Huber-Pestalozzi | image | ||
| PHACUS sect. | MIKROPHACUS Kiss | image | ||
| PHACUS subg. | CHLOROPHACUS Pochmann | image | ||
| PHACUS subg. | EUPHACUS Lemmermann | image | ||
| Phacus abrupta | Korshikov | image | ||
| Phacus acuminatus f. brevicaudata | Kiss | image | ||
| Phacus acuminatus f. depressa | Kiss | image | ||
| Phacus acuminatus | Stokes | image | ||
| Phacus acuminatus subsp. acuticauda | (Roll) Pochmann | image | ||
| Phacus acuminatus subsp. americana | Pochmann | image | ||
| Phacus acuminatus subsp. disciferus_('discifera') | Pochmann | image | ||
| Phacus acuminatus subsp. granulata | (Roll) Pochmann | image | ||
| Phacus acuminatus subsp. indica | Pochmann | image | ||
| Phacus acuminatus subsp. javana | Pochmann | image | ||
| Phacus acuminatus subsp. megapyrenoidea | (Roll) Pochmann | image | ||
| Phacus acuminatus subsp. triquetrus_('triquetra') | (Skvortzov) Pochmann | image | ||
| Phacus acuminatus var. acuticauda | (Roll) Huber-Pestalozzi | image | ||
| Phacus acuminatus var. alpinus | Bourrelly | image | ||
| Phacus acuminatus var. americanus | (Pochmann) Xavier | image | ||
| Phacus acuminatus var. angustus_('angusta') | T.G. Popova | Izv. Zap. Sib. Fil. Nauk SSSR ser. biol. | 2: 57, pl. II: fig. 13 | 1947 |
| Phacus acuminatus var. barrackporensis | Philipose | image | ||
| Phacus acuminatus var. brasiliensis | V. Conforti | Rev. Hydrobiol. Trop. | 27: 10, pl. IV: figs. 4a,b | 1995 |
| Phacus acuminatus var. cordiformis_('cordiforme') | Tell & Y. Zalocar de Domitrovic | image | ||
| Phacus acuminatus var. disciferus_('discifera') | (Pochmann) Huber-Pestalozzi | image | ||
| Phacus acuminatus var. drezepolskii | Skvortzov | image | ||
| Phacus acuminatus var. globulus | Dedusenko-Shchegoleva | image | ||
| Phacus acuminatus var. granulata | (Roll) Huber-Pestalozzi | image | ||
| Phacus acuminatus var. indica | (Pochmann) Huber-Pestalozzi | image | ||
| Phacus acuminatus var. iowensis | Allegre & Jahn | image | ||
| Phacus acuminatus var. janei | Suxena | image | ||
| Phacus acuminatus var. javana | (Pochmann) Huber-Pestalozzi | image | ||
| Phacus acuminatus var. megaparamylica | Huber-Pestalozzi | image | ||
| Phacus acuminatus var. minima | Martinez | image | ||
| Phacus acuminatus var. minor | Kiselev | image | ||
| Phacus acuminatus var. triangulatus | (Roll) Svirenko | image | ||
| Phacus acuminatus var. triqueter | Skvortzov | image | ||
| Phacus acuminatus var. triqueter | Z.X. Shi | Acta Hydrobiol. Sin. | 11: 358, 364, fig. 1 i-k | 1987 |
| Phacus acuticauda | Roll | image | ||
| Phacus acuticauda | Y.V. Roll | Russ. Arkh. Protist. | 4: 140, 148, pl. V: fig. 17 | 1925 |
| Phacus acutissimus | Bernard | image | ||
| Phacus acutus | Pochmann | image | ||
| Phacus aenigmatica | Drezepolski | image | ||
| Phacus aenigmatica | Drezepolski | image | ||
| Phacus aenigmatica f. filicauda | Conrad | image | ||
| Phacus aenigmatica var. asiatica | Skvortzov | image | ||
| Phacus aenigmaticus f. filicauda | Conrad | Bull. Mus. Roy. Hist. Nat. Belgique | 14{8}: 6, figs. 15-17 | 1938 |
| Phacus aenigmaticus var. monochloron | Pochmann | Arch. Protistenk. | 95: 137, figs. 24, 25 | 1942 |
| Phacus aenigmaticus_('aenigmatica') | Drezepolski | Rozpr. i Wiadom. Muz. Dzieduszyckich [Lwów] | 7/8: 4, 14, pl. I: figs. 4, 4a | 1923 |
| Phacus agilis | Skuja | Acta Hort. Bot. Univ. Latv. | 1: 39, fig. 2:4 | 1926 |
| Phacus agilis var. inversa | P. Bourrelly | image | ||
| Phacus agilis var. okobojiensis | Allegre & Jahn | image | ||
| Phacus alatus var. incrassata | Deflandre | image | ||
| Phacus alatus var. indica | Skvortzov | image | ||
| Phacus alatus var. latviensis | Skvortzov | image | ||
| Phacus alatus var. lemmermannii | Svirenko | image | ||
| Phacus alatus var. maior | Drezepolski | image | ||
| Phacus alatus var. maximus | Hübner | image | ||
| Phacus alatus var. maximus_('maxima') | Hübner | Euglenac.-Fl. Stralsund [Programm Realgymn. Stralsund]: | 6, fig. 8 | 1886 |
| Phacus alatus_('alata') | Klebs | image | ||
| Phacus allorgei | Bourrelly | image | ||
| Phacus anacoelus f. major | Prescott | image | ||
| Phacus anacoelus f. minor | Huber-Pestalozzi | image | ||
| Phacus anacoelus f. multiundulata | Halász | image | ||
| Phacus anacoelus | Stokes | image | ||
| Phacus anacoelus var. asiatica | Skvortzov | image | ||
| Phacus anacoelus var. subundulata | Skvortzov | image | ||
| Phacus anacoelus var. undulata | (Skvortzov) Skvortzov | image | ||
| Phacus angulatus | Pochmann | image | ||
| Phacus angustatus | V. Conforti | Nova Hedwigia | 53: 81, pl. III: fig. 15 | 1991 |
| Phacus ankylonoton | Pochmann | image | ||
| Phacus anomalus f. subsalsus | Y.J. Ling, Z. Li & G.Z. Deng | Acta Phytotax. Sinica | 29: 380, fig. 4-6 | 1991 |
| Phacus anomalus var. major | Y.J. Ling, Z. Li & G.Z. Deng | Acta Phytotax. Sinica | 29: 380, fig. 1-3 | 1991 |
| Phacus anomalus var. pullus-gallinae | Nygaard | image | ||
| Phacus anomalus_('anomala') | Fritsch & Rich | image | ||
| Phacus applanatus | Pochmann | image | ||
| Phacus argentiniensis | V. Conforti | Nova Hedwigia | 53: 81, pl. IV: fig. 27 | 1991 |
| Phacus arnoldii | Svirenko | Arch. Hydrobiol. u. Planktonk. | 10: 336, pl. V: fig. 1 | 1915 |
| Phacus arnoldii var. ovatus | Popova | image | ||
| Phacus arnoldii var. ovatus_('ovata') | T.G. Popova | Izv. Zap. Sib. Fil. Nauk SSSR ser. biol. | 2: 57, pl. II: fig. 12 | 1947 |
| Phacus asimmetricus | Sokoloff | image | ||
| Phacus aspidion | Pochmann | image | ||
| Phacus asymmetricus_('asymmetrica') | Prescott | image | ||
| Phacus atraktoides | Pochmann | Arch. Protistenk. | 95: 219, fig. 133 | 1942 |
| Phacus bacillifer | Da Cunha | image | ||
| Phacus bacilliformis | Z.X. Shi | Acta Phytotax. Sin. | 34: 105, fig. 1: 4-8 | 1996 |
| Phacus balatonicus | Hortobágyi | image | ||
| Phacus balatonicus var. boglariensis | Hortobágyi | image | ||
| Phacus balatonicus var. major | Philipose | image | ||
| Phacus balatonicus var. minor | V. Conforti | Rev. Hydrobiol. Trop. | 27: 10, pl. III: figs. 13a,b | 1995 |
| Phacus balechii | V. Conforti | Nova Hedwigia | 53: 83, pl. III: fig. 16 | 1991 |
| Phacus berthonii | Bourrelly | image | ||
| Phacus berthonii var. gracilis | Bourrelly | image | ||
| Phacus berthonii var. simplex | Bourrelly | image | ||
| Phacus betkowskii | Stawinski | image | ||
| Phacus bharatii | Hosmani | image | ||
| Phacus bicalyx | Hortobágyi | image | ||
| Phacus biformis | Hortobágyi | image | ||
| Phacus bifurcatus | Uherkovich in Uherkovich & Lantos | Limnologica (Berlin) | 18(1): 29-67 | 1987 |
| Phacus birgei | Prescott | image | ||
| Phacus bonaerensis | V. Conforti | Cryptog.: Algol. | 10: 71, fig. 1 | 1989 |
| Phacus bonettoi | G. Tell & Y. Zalocar de Domitrovic | Nova Hedwigia | 41: 358, pl. III: fig. 6 | 1985 |
| Phacus bonettoi | Tell & Y. Zalocar de Domitrovic | image | ||
| Phacus brachykentron | Pochmann | image | ||
| Phacus brachykentron var. caudatus | Prescott | image | ||
| Phacus brachykentron var. pauschenensis | Bourrelly | image | ||
| Phacus brevicaudata | (G.A. Klebs) Lemmermann | image | ||
| Phacus brevicaudata | (Klebs) Lemmermann | image | ||
| Phacus brevicaudatus var. variabilis | Lemmermann | image | ||
| Phacus brevisulca | J.I. Kim & W. Shin | J. Phycol. | 50: 955, fig. 2B | 2014 |
| Phacus bucculentus | Pochmann | image | ||
| Phacus bucharica | Kiselev | image | ||
| Phacus budapestinensis | Palik | image | ||
| Phacus buzsakiensis_('buzsákiensis') | Hortobágyi | image | ||
| Phacus canae | Skvortzov | image | ||
| Phacus carinatus | Conrad | image | ||
| Phacus carinatus | Pochmann | image | ||
| Phacus carinatus_('carinata') | Skvortzov | image | ||
| Phacus caudatus | Hübner | image | ||
| Phacus caudatus var. conradianus | Palik | image | ||
| Phacus caudatus var. conradii | Bourrelly | image | ||
| Phacus caudatus var. lata | Allorge & Lefčvre | image | ||
| Phacus caudatus var. latus_('lata') | Allorge & Lefèvre | Bull. Soc. Bot. France | 72(Sess. Extr.): 126, figs. 18-21 | 1931 |
| Phacus caudatus var. major | Philipose | image | ||
| Phacus caudatus var. minor | Drezepolski | image | ||
| Phacus caudatus var. ovalis | Drezepolski | image | ||
| Phacus caudatus var. polonica | Drezepolski | image | ||
| Phacus caudatus var. spiralis | Hortobágyi | image | ||
| Phacus caudatus var. tenuis | Svirenko | image | ||
| Phacus caudatus var. volicensis | Drezepolski | image | ||
| Phacus caudatus_('caudata') | Hübner | Euglenac.-Fl. Stralsund [Programm Realgymn. Stralsund]: | 5, fig. 5 | 1886 |
| Phacus chloroplastes f. incisa | Prescott | image | ||
| Phacus chloroplastes | Prescott | image | ||
| Phacus circulatus | Pochmann | Arch. Protistenk. | 95: 177, fig. 77 | 1942 |
| Phacus circulatus_('circulata') | Skvortzov | image | ||
| Phacus circumflexus | Pochmann | image | ||
| Phacus clavata | Dangeard | image | ||
| Phacus claviformis | J.I. Kim & W. Shin | J. Phycol. | 50: 955, fig. 2E | 2014 |
| Phacus cochleatus | Pochmann | Arch. Protistenk. | 95: 232, fig. 151 | 1942 |
| Phacus concavus | Hortobágyi | image | ||
| Phacus contortus | Bourrelly | image | ||
| Phacus contortus f. minor | Bourrelly | image | ||
| Phacus contortus var. complicatus | Bourrelly | image | ||
| Phacus convexus | B. Zakryś & M. Łukomska in Łukomska-Kowalczyk et al. | J. Phycol. | 56: 1145 | 2020 |
| Phacus corculum | Pochmann | image | ||
| Phacus cordatus_('cordata') | (Pochmann) Zakryś & M. Łukomska in Łukomska et al. | J. Phycol. | 51: 1151 | 2015 |
| Phacus costata | Conrad | image | ||
| Phacus costatus_('costata') | Conrad | Ann. Biol. Lacustre | 7: 135, fig. 3 | 1914 |
| Phacus crassus | Zakryś & M. Łukomska in Łukomska et al. | J. Phycol. | 51: 1153, fig. 3p | 2015 |
| Phacus crenatus | Hirano | image | ||
| Phacus crenulatus var. annulatus_('annulata') | Taft | image | ||
| Phacus cristatus | Zakryś & M. Łukomska in Łukomska et al. | J. Phycol. | 51: 1153, fig. 3q | 2015 |
| Phacus cuneatus | Pochmann | image | ||
| Phacus curvicauda f. fissuratus_('fissurata') | Tell & Y. Zalocar de Domitrovic | image | ||
| Phacus curvicauda f. thracicus_('thracica') | I.K. Kirjakov | Arch. Hydrobiol. Suppl. | 123 (Algol. Stud. 88): 33, figs. 1-6 | 1998 |
| Phacus curvicauda | Svirenko | image | ||
| Phacus curvicauda | Svirenko | image | ||
| Phacus curvicauda var. minor | Lefčvre | image | ||
| Phacus curvicauda var. profundus | Z.X. Shi in Shi et al. | Flora Algarum Sinicarum Aquae Dulcis. Tomus VI. Euglenophyta: | 263, pl. LXIII: figs. 7, 8 | 1999 |
| Phacus curvicauda var. robusta | Allorge & Lefčvre | image | ||
| Phacus curvicauda var. sicyoideus | Z.X. Shi in Shi et al. | Flora Algarum Sinicarum Aquae Dulcis. Tomus VI. Euglenophyta: | 263, pl. LXIII: figs. 9-11 | 1999 |
| Phacus curvicauda var. undulata | Skvortzov | image | ||
| Phacus cylindraceus | T.G. Popova | Opred. Presnov. Vodor. SSSR | 7: 213 | 1955 |
| Phacus cylindrus | Pochmann | image | ||
| Phacus dangeardii | Lemmermann | image | ||
| Phacus dangeardii var. oblonga | (Skvortzov) Huber-Pestalozzi | image | ||
| Phacus denisii | Allorge & Lefčvre | image | ||
| Phacus dihistion | Conrad | image | ||
| Phacus drezepolskii | Stawinski | image | ||
| Phacus elegans | Pochmann | image | ||
| Phacus elegantissimus | Hortobágyi | image | ||
| Phacus elongatus | V. Conforti | Nova Hedwigia | 53: 84, pl. III: fig. 17 | 1991 |
| Phacus ephippioideus | C. Bicudo & D. Bicudo | Acta Bot. Bras. | 1: 45, figs. 4-6 | 1987 |
| Phacus ephippion | Pochmann | image | ||
| Phacus fernii | V. Conforti | Nova Hedwigia | 53: 84, pl. IV: fig. 24 | 1991 |
| Phacus filicauda | (Conrad) Pochmann | image | ||
| Phacus florii | V. Conforti | Nova Hedwigia | 53: 86, pl. V: fig. 29 | 1991 |
| Phacus fominii | Y.V. Roll | Symposium dedicated to the memory of A.V. Fomin: | 137, 142, fig. 1 | 1938 |
| Phacus formosus | Pochmann | image | ||
| Phacus formosus var. ovatus | Z.X. Shi in Shi et al. | Flora Algarum Sinicarum Aquae Dulcis. Tomus VI. Euglenophyta: | 263, pl. LXIV: figs. 10-12 | 1999 |
| Phacus gamsii | Bourrelly | image | ||
| Phacus gibbosus | Huber-Pestalozzi | image | ||
| Phacus gigas | Da Cunha | Mem. Inst. Oswaldo Cruz [Rio de Janeiro] | 5: 110, pl. 10: fig. 3 | 1913 |
| Phacus glaber | Pochmann | Arch. Protistenk. | 95: 236, fig. 160 | 1942 |
| Phacus globosus | Pochmann | Arch. Protistenk. | 95: 224, fig. 140 | 1942 |
| Phacus glomus | Hortobágyi | image | ||
| Phacus gracilis | Pochmann | image | ||
| Phacus granulatus var. laevis | Z.X. Shi | Acta Phytotax. Sin. | 34: 107, figs. 1: 1-3 | 1996 |
| Phacus granulatus_('granulata') | Roll | image | ||
| Phacus granum | Drezepolski | image | ||
| Phacus granum f. spinosus | Hortobágyi | image | ||
| Phacus gregussii | Hortobágyi | Bot. Közlem. | 41(3/5): 104, figs. 1-20 | 1944 |
| Phacus gregussii | Hortobágyi | image | ||
| Phacus hamatus | Pochmann | image | ||
| Phacus hamelii | Allorge & Lefèvre | Bull. Soc. Bot. France | 72(Sess. Extr.): 128, figs. 55-57 | 1931 |
| Phacus hamelii | Allorge & Lefčvre | image | ||
| Phacus heimii | Lefčvre | image | ||
| Phacus heimii var. minor | Suxena | image | ||
| Phacus helicoideus | Bernard | Protococcacées et Desmidiées: | 206, fig. 563 | 1908 |
| Phacus helikoides | Pochmann | image | ||
| Phacus helikosphaeridion | Pochmann | image | ||
| Phacus hispidulus f. glaber | Deflandre | Ann. Protistol. | 3: 232, pl. XXI: figs. 15, 18-20 | 1932 |
| Phacus hispidulus f. glabra | Deflandre | image | ||
| Phacus hispidulus f. granulatus | Deflandre | Ann. Protistol. | 3: 232 | 1932 |
| Phacus hispidulus f. pomiformis | Conrad | image | ||
| Phacus hispidulus f. suecicus | (Lemmermann) Popova | image | ||
| Phacus hispidulus var. crassicauda | Palik | image | ||
| Phacus hispidulus var. crassicauda | Palik | image | ||
| Phacus hispidulus var. latus | (Roll) Deflandre | image | ||
| Phacus hispidulus var. steinii | Lemmermann | image | ||
| Phacus hispidulus var. strigosa | Deflandre | image | ||
| Phacus hispidulus_('hispidula') | (Eichwald) Klebs | image | ||
| Phacus hordeiformis | J.I. Kim & W. Shin | J. Phycol. | 50: 956, figs. 2F,G | 2014 |
| Phacus horridus | Pochmann | Arch. Protistenk. | 95: 239, fig. 163 | 1942 |
| Phacus horridus var. major | V. Conforti | Rev. Hydrobiol. Trop. | 27: 10, pl. IV: figs. 13, 17 | 1995 |
| Phacus hyalina | Skvortzov | image | ||
| Phacus hystrix | Pochmann | image | ||
| Phacus ichthydion | Pochmann | image | ||
| Phacus incisus | Prescott | image | ||
| Phacus inconspicua | Deflandre | image | ||
| Phacus inconspicuus f. angustus | Shi | image | ||
| Phacus inconspicuus_('inconspicua') | Deflandre | Bull. Mus. Natl. Hist. nat. [Paris] | 32: 421, no fig. | 1926 |
| Phacus incrassatus | (Deflandre) Pochmann | image | ||
| Phacus indicus var. boglariensis | Hortobágyi | image | ||
| Phacus indicus var. elegans | Bourrelly | image | ||
| Phacus indicus_('indica') | Skvortzov | image | ||
| Phacus inflata | Thompson | image | ||
| Phacus inflatus | Playfair | image | ||
| Phacus inflatus var. pterophorus | Skuja | image | ||
| Phacus inflexus | (Kiselev) Pochmann | image | ||
| Phacus inflexus var. minor | Bourrelly | image | ||
| Phacus intortus | Shi | image | ||
| Phacus iyengarii | Suxena | image | ||
| Phacus janiczakii | Stawinski | image | ||
| Phacus javorkae | Hortobágyi | image | ||
| Phacus kemenesii | Hortobágyi | image | ||
| Phacus kirchbergensis | Wawrik | image | ||
| Phacus koreana | Skvortzov | image | ||
| Phacus landekiensis | Stawinski | image | ||
| Phacus latus | (Roll) Pochmann | image | ||
| Phacus lefevrei | Bourrelly | image | ||
| Phacus lemmermanii | Svirenko | image | ||
| Phacus lemmermannii | (Svirenko) Skvortzov | image | ||
| Phacus lemmermannii | Svirenko | image | ||
| Phacus lemmermannii var. pochmannii | Bourrelly | image | ||
| Phacus lepocincloides | Pochmann | Arch. Protistenk. | 95: 231, fig. 150 | 1942 |
| Phacus limnophilus_('limnophila') | (Lemmermann) E.W. Linton & A. Karnkowska in I. Ciugulea & R.E. Triemer | Color atlas of photosynthetic euglenoids: | 103 | 2010 |
| Phacus limnophilus_('limnophila') | (Lemmermann) E.W. Linton & A. Karnkowska-Ishikawa in Linton et al. | Protist | 161: 609 | 2010 |
| Phacus lineatus | J. Massart | image | ||
| Phacus lismorensis f. minor | Hortobágyi | image | ||
| Phacus lismorensis f. sigmoidea | Wawrik | image | ||
| Phacus lismorensis | Playfair | image | ||
| Phacus lismorensis var. insecta | V. Conforti | Nova Hedwigia | 53: 87, pl. V: fig. 31 | 1991 |
| Phacus longicauda | (Ehrenberg) Dujardin | image | ||
| Phacus longicauda f. attenuatus | (Pochmann) Popova | image | ||
| Phacus longicauda f. cordatus | (Pochmann) Popova | image | ||
| Phacus longicauda f. curtus_('curta') | Lefèvre | Ann. Crypt. Exot. | 6: 262, figs. 1-3 | 1933 |
| Phacus longicauda f. curtus_('curta') | Lefčvre | image | ||
| Phacus longicauda f. insecta | Huber-Pestalozzi | Phytoplankton Süsswassers | 4: 223, fig. 302: A | 1955 |
| Phacus longicauda f. minor | Deflandre | image | ||
| Phacus longicauda f. rotundus | (Pochmann) Popova | image | ||
| Phacus longicauda f. subacauda | Popova | image | ||
| Phacus longicauda f. subcauda | T.G. Popova | Izv. Zap. Sib. Fil. Nauk SSSR ser. biol. | 2: 58, pl. II: fig. 11 | 1947 |
| Phacus longicauda f. tortuosus | (Skvortzov) Rai & Uherkovich | image | ||
| Phacus longicauda f. tortus 'Lemmermann' | image | |||
| Phacus longicauda f. vix-tortus_('vix torta') | Kiselev | image | ||
| Phacus longicauda subsp. attenuata | Pochmann | image | ||
| Phacus longicauda subsp. cordata | Pochmann | image | ||
| Phacus longicauda subsp. cordatus_('cordata') | Pochmann | Arch. Protistenk. | 95: 199, fig. 109, 110 | 1942 |
| Phacus longicauda subsp. insecta | (Koczwara) Pochmann | image | ||
| Phacus longicauda subsp. madagassica | Pochmann | image | ||
| Phacus longicauda subsp. maior | (Svirenko) Pochmann | image | ||
| Phacus longicauda subsp. rotunda | Pochmann | image | ||
| Phacus longicauda subsp. rotundus_('rotunda') | Pochmann | Arch. Protistenk. | 95: 201, fig. 111 | 1942 |
| Phacus longicauda var. attenuata | (Pochmann) Huber-Pestalozzi | image | ||
| Phacus longicauda var. brevicauda | Skvortzov | image | ||
| Phacus longicauda var. brevicaudata 'Skvortzov' | image | |||
| Phacus longicauda var. crevicauda | Skvortzov | image | ||
| Phacus longicauda var. indica | Skvortzov | image | ||
| Phacus longicauda var. insecta | Koczwara | image | ||
| Phacus longicauda var. lagunensis | Martinez | image | ||
| Phacus longicauda var. madagassica | (Pochmann) Huber-Pestalozzi | image | ||
| Phacus longicauda var. major | Svirenko | image | ||
| Phacus longicauda var. major | Svirenko | image | ||
| Phacus longicauda var. ovalis | Voronikhin | image | ||
| Phacus longicauda var. ovalis | Voronikhin | image | ||
| Phacus longicauda var. ovata | Skvortzov | image | ||
| Phacus longicauda var. rotundus_('rotunda') | (Pochmann) Huber-Pestalozzi | image | ||
| Phacus longicauda var. tortus_('torta') | Kofoid | image | ||
| Phacus longicauda var. tortus_('torta') | Lemmermann | image | ||
| Phacus longicauda var. undulata | Kiselev | image | ||
| Phacus longisulca | J.I. Kim & W. Shin | J. Phycol. | 50: 955, fig. 2A | 2014 |
| Phacus maharastrensis | N.D. Kamat | Journal of Biological Sciences (Bombay) | 7: 10, fig. 1 | 1963 |
| Phacus makii | Hirano | image | ||
| Phacus makrostigma | Pochmann | image | ||
| Phacus mammillatus | Philipose | image | ||
| Phacus manginii var. inflatus | Nygaard | image | ||
| Phacus manginii var. insecta | V. Conforti | Nova Hedwigia | 53: 89, pl. VI: fig. 33 | 1991 |
| Phacus manginii_('mangini') | Lefčvre | image | ||
| Phacus marconii | V. Conforti | Nova Hedwigia | 53: 89, pl. IV: fig. 25 | 1991 |
| Phacus mariae var. balatonicus | Hortobágyi | image | ||
| Phacus mariana | Deflandre | image | ||
| Phacus matanzae | V. Conforti | Nova Hedwigia | 53: 90, pl. III: fig. 18 | 1991 |
| Phacus maximus | Palik | image | ||
| Phacus megalopsis | Pochmann | Arch. Protistenk. | 95: 229, fig. 148 | 1942 |
| Phacus megapyrenoideus_('megapyrenoidea') | Roll | image | ||
| Phacus mentaweiensis | Conrad | image | ||
| Phacus meson f. tortus | Behre | image | ||
| Phacus meson | Pochmann | image | ||
| Phacus meson var. celebensis | Behre | image | ||
| Phacus meson var. minor | V. Conforti | Rev. Hydrobiol. Trop. | 27: 12, pl. IX: figs. 3, 4 | 1995 |
| Phacus minimus | J.I. Kim & W. Shin | J. Phycol. | 50: 955, fig. 2D | 2014 |
| Phacus minusculus | (Conrad) Pochmann | Arch. Protistenk. | 95: 221 | 1942 |
| Phacus minutus | (Playfair) Pochmann | image | ||
| Phacus mirabilis | Pochmann | Arch. Protistenk. | 95: 229, fig. 147 | 1942 |
| Phacus moniliatus var. suecicus_('suecica') | Lemmermann | image | ||
| Phacus moniliatus_('moniliata') | (Stokes) Lemmermann | image | ||
| Phacus monilicostatus -- | image | |||
| Phacus monilicostatus | Pochmann | Arch. Protistenk. | 95: 240, fig. 164 | 1942 |
| Phacus monochloron | (Pochmann) Bourrelly | Rev. Algol., ser. 2, | 7: 103 | 1963 |
| Phacus monoparamylon | Hortobágyi | image | ||
| Phacus moorselensis | Conrad | image | ||
| Phacus moraviensis | Pochmann | image | ||
| Phacus morii | Skvortzov | image | ||
| Phacus morii var. insecta | (Koczwara) Skvortzov | image | ||
| Phacus mossambicensis | J.A. Rino | Revista Ci. Biol., Fac. Ci. Univ. Lourenc\*,o Marques, A, | 5: 154, pl. V: fig. 10 | 1972 |
| Phacus multiannulatus | Pochmann | image | ||
| Phacus multifacies | S. Alves-da-Silva & C. Bicudo | Hoehnea | 45: 144, figs. 1-29 | 2018 |
| Phacus multifidus | V. Conforti | Nova Hedwigia | 53: 91, pl. III: fig. 21 | 1991 |
| Phacus musculus | Pochmann | image | ||
| Phacus myersii f. maior | Uherkovich | image | ||
| Phacus myersii f. minor | Uherkovich | image | ||
| Phacus myersii | Skvortzov | image | ||
| Phacus nannos | Pochmann | image | ||
| Phacus neosulcatus | Z.X. Shi | Acta Hydrobiol. Sin. | 11: 358, 364, fig. 1 l, m | 1987 |
| Phacus niloticus | Conrad | image | ||
| Phacus nordstedtii | Lemmermann | Ark. Bot. | 2{2}: 124, pl. I: fig. 21 | 1904 |
| Phacus novus | V. Conforti | Nova Hedwigia | 53: 91, pl. IV: fig. 26 | 1991 |
| Phacus oblonga | Skvortzov | image | ||
| Phacus obolus | Pochmann | Arch. Protistenk. | 95: 153, fig. 43 | 1942 |
| Phacus obolus var. triangularis | Y.J. Ling, Z. Li & G.Z. Deng | Acta Phytotax. Sinica | 29: 381, fig. 11-13 | 1991 |
| Phacus ocellatus | (E.G. Pringsheim) B. Marin & M. Melkonian in B. Marin, A. Palm, M. Klingberg, & M. Melkonian | Protist | 154: 101 | 2003 |
| Phacus onyx | Pochmann | image | ||
| Phacus onyx var. symetrica | Tell & Y. Zalocar de Domitrovic | image | ||
| Phacus orbicularis f. communis | Popova | image | ||
| Phacus orbicularis f. gigas | (Da Cunha) Popova | image | ||
| Phacus orbicularis | Hübner | Euglenac.-Fl. Stralsund [Programm Realgymn. Stralsund]: | 5, fig. 1 | 1886 |
| Phacus orbicularis | Hübner | image | ||
| Phacus orbicularis var. amplus | Uherkovich | Dunántúli Dolgozatok | 10: 5-17. | 1976 |
| Phacus orbicularis var. caudata | Skvortzov | image | ||
| Phacus orbicularis var. cingeri | (Roll) Svirenko | image | ||
| Phacus orbicularis var. citriformis | (Drezepolski) Popova | image | ||
| Phacus orbicularis var. minor | Fritsch & Rich | image | ||
| Phacus orbicularis var. minor | Palik | image | ||
| Phacus orbicularis var. minor | Seckt | image | ||
| Phacus orbicularis var. undulata | Skvortzov | image | ||
| Phacus oscillans | Klebs | Unters. Bot. Inst. Tübingen | 1: 313, pl. III: fig. 6 | 1883 |
| Phacus oscillans var. curta | Skvortzov | image | ||
| Phacus oscillans var. elegans | Kufferath | image | ||
| Phacus ostreatus | Pochmann | image | ||
| Phacus ovalis | (Woronichin) Popova | image | ||
| Phacus ovalis | Skvortzov | image | ||
| Phacus ovoidea | Roll | image | ||
| Phacus ovum | (Ehrenberg) Klebs | Untersuch. Bot. Inst. Tübingen | 1: 314 | 1883 |
| Phacus ovum f. cylindricus_('cylindrica') | Klebs | Untersuch. Bot. Inst. Tübingen | 1: 314 | 1883 |
| Phacus ovum f. globula | Klebs | image | ||
| Phacus ovum f. globulus_('globula') | Klebs | Untersuch. Bot. Inst. Tübingen | 1: 314 | 1883 |
| Phacus ovum var. globula | Klebs in Hübner | Euglenac.-Fl. Stralsund [Programm Realgymn. Stralsund]: | 12 | 1886 |
| Phacus pannonicus | Palik | image | ||
| Phacus papillaris | Stawinski | image | ||
| Phacus paraorbicularis | J.I. Kim & W. Shin | J. Phycol. | 50: 956, fig. 2 | 2014 |
| Phacus parvula | Klebs | image | ||
| Phacus parvulus var. angustus_('angusta') | T.G. Popova | Izv. Zap. Sib. Fil. Nauk SSSR ser. biol. | 2: 58, pl. I: fig. 16 | 1947 |
| Phacus parvulus var. pusillus | (Lemmermann) Popova | image | ||
| Phacus parvulus_('parvula') | Klebs | Unters. Bot. Inst. Tübingen | 1: 313, pl. III: fig. 5 | 1883 |
| Phacus pediformis | Skvortzov | image | ||
| Phacus pekinensis | Skvortzov | image | ||
| Phacus pelta | Skvortzov | image | ||
| Phacus pentacauda_('pentacaudus') | V. Conforti | Nova Hedwigia | 53: 93, pl. III: fig. 20 | 1991 |
| Phacus persikon | Pochmann | Arch. Protistenk. | 95: 240, fig. 165 | 1942 |
| Phacus petelotii | Lefčvre | image | ||
| Phacus pisiformis | Z.X. Shi | Chin. J. Oceanol. Limnol. | 13: 350, fig. 2: 3-5 | 1995 |
| Phacus platalea | Drezepolski | image | ||
| Phacus platalea f. minor | Deflandre | image | ||
| Phacus platalea f. minor | Hortobágyi | image | ||
| Phacus platalea var. brevicaudatus | Y.J. Ling, Z. Li & G.Z. Deng | Acta Phytotax. Sinica | 29: 381, fig. 7-10. | 1991 |
| Phacus platalea var. major | Poucques | image | ||
| Phacus platalea var. minor | Kamat | image | ||
| Phacus platalea var. tiszae | Hortobágyi | image | ||
| Phacus platyaulax | Pochmann | image | ||
| Phacus pleuronectes | (O.F. Müller) Nitzsch | image | ||
| Phacus pleuronectes | (O.F. Mueller) Nitzsch ex Dujardin | Infusoires: | 336 | 1841 |
| Phacus pleuronectes f. communis | (Palik) T.G. Popova | Izv. Zap. Sib. Fil. Nauk SSSR ser. biol. | 2: 59 | 1947 |
| Phacus pleuronectes f. gigas | (Da Cunha) T.G. Popova | Izv. Zap. Sib. Fil. Nauk SSSR ser. biol. | 2: 59 | 1947 |
| Phacus pleuronectes f. hyalina | (Klebs) Pringsheim | image | ||
| Phacus pleuronectes f. natrophila | Kiss | image | ||
| Phacus pleuronectes f. tiszae | Pákh | image | ||
| Phacus pleuronectes var. australis | Playfair | image | ||
| Phacus pleuronectes var. brevicaudata | Klebs | image | ||
| Phacus pleuronectes var. citriformis | Drezepolski | image | ||
| Phacus pleuronectes var. citriformis | Drezepolski | image | ||
| Phacus pleuronectes var. hamelii | (Allorge & Lefèvre) T.G. Popova | Opred. Presnov. Vodor. SSSR | 7: 224 | 1955 |
| Phacus pleuronectes var. hamelii | (Allorge & Lefčvre) Popova | image | ||
| Phacus pleuronectes var. hamelii_('Hamellii') | (Allorge & Lefèvre) T.G. Popova | Izv. Zap. Sib. Fil. Nauk SSSR ser. biol. | 2: 59 | 1947 |
| Phacus pleuronectes var. hyalinus | Klebs | image | ||
| Phacus pleuronectes var. insecta | Koczwara | image | ||
| Phacus pleuronectes var. marginata | Skvortzov | image | ||
| Phacus pleuronectes var. minima | Palik | image | ||
| Phacus pleuronectes var. minimus | Palik | image | ||
| Phacus pleuronectes var. minor | Svirenko | image | ||
| Phacus pleuronectes var. minutus | Playfair | image | ||
| Phacus pleuronectes var. prunoideus | (Roll) Popova | image | ||
| Phacus pleuronectes var. svirenkoana | Skvortzov | image | ||
| Phacus pleuronectes var. svirenkoanus_('svirenkoana') | Skvortzov | Beih. Bot. Centralbl. | 41 (Abt. II): 313, fig. 3 | 1925 |
| Phacus pleuronectes var. triquetrus_('triquetra') | (Ehrenberg) Klebs | image | ||
| Phacus pleuronectes var. ungulatus | Tell & Y. Zalocar de Domitrovic | image | ||
| Phacus plicatus | Conrad | image | ||
| Phacus polyparamylon | Hortobágyi & Nemeth | image | ||
| Phacus polytrophos | Pochmann | image | ||
| Phacus polytrophos var. crassa | Bourrelly | image | ||
| Phacus pomiformis | (Conrad) Pochmann | image | ||
| Phacus poulae | V. Conforti | Nova Hedwigia | 53: 93, pl. III: fig. 19 | 1991 |
| Phacus procerus | Hortobágyi | image | ||
| Phacus prunoideus_('prunoidea') | Roll | image | ||
| Phacus pseudobicarinatus | S.M. Alves-da-Silva & C.E.M. Bicudo | Revista Brasil. Bot. | 32: 265, figs. 66-76 | 2009 |
| Phacus pseudonordstedtii | Pochmann | Arch. Protistenk. | 95: 219, figs. 134, 135 | 1942 |
| Phacus pseudonordstedtii var. minuscula | (Conrad) Huber-Pestalozzi | image | ||
| Phacus pseudonordstedtii var. minusculus_('minuscula') | (Conrad) Huber-Pestalozzi | Phytoplankton Süssw. | 4: 230 | 1955 |
| Phacus pseudopatalea var. indica | Kamat | image | ||
| Phacus pseudoswirenko | Prescott | image | ||
| Phacus pugiuncula | Geissbühler | image | ||
| Phacus pugiunculus_('pugiuncula') | Geissbühler | Mitt. Bot. Mus. Univ. Zürich | 139: 189, pl. II: fig. 10 | 1930 |
| Phacus pulcherrimus | (Conrad) Pochmann | Arch. Protistenk. | 95: 244 | 1942 |
| Phacus pulchra | Roll | image | ||
| Phacus pusilla | Lemmermann | image | ||
| Phacus pusillus_('pusilla') | Lemmermann | KryptFl. Mark Brandenburg | 3: 514, no fig. | 1910 |
| Phacus pygmaeus | Pochmann | image | ||
| Phacus pygmaeus | V. Conforti | Rev. Hydrobiol. Trop. | 27: 12, pl. III: fig. 23 | 1995 |
| Phacus pyrum | (Ehrenberg) Archer | Quart. J. Microscop. Sci., ser. 2, | 11: 99 | 1871 |
| Phacus pyrum f. minuscula | Conrad | image | ||
| Phacus pyrum f. minusculus_('minuscula') | Conrad | Bull. Mus. Roy. Hist. Nat. Belgique | 14{8}: 12, fig. 48 | 1938 |
| Phacus pyrum f. pulcherrima | Conrad | image | ||
| Phacus pyrum f. pulcherrimus_('pulcherrima') | Conrad | Bull. Mus. Roy. Hist. Belgique | 14{36}: 6, figs. 7, 8 | 1938 |
| Phacus pyrum var. australicus | (Playfair) Playfair | image | ||
| Phacus pyrum var. hastatus_('hastata') | E. Wehrle | Beiträge zur naturkundlichen Forschung in Süwestdeutschland | 4: 82, pl. II: fig. 4 | 1939 |
| Phacus pyrum var. longicauda | Skvortzov | image | ||
| Phacus pyrum var. nordstedtii | (Lemmermann) Deflandre | image | ||
| Phacus pyrum var. ovatus | Playfair | Proc. Linn. Soc. New South Wales | 46: 125, pl. V: fig. 15 | 1921 |
| Phacus pyrum var. punctulata | Allorge & Lefčvre | image | ||
| Phacus pyrum var. punctulatus_('punctulata') | Allorge & Lefèvre | Bull. Soc. Bot. France | 72(Sess. Extr.): 128, fig. 39 | 1931 |
| Phacus pyrum var. rudicula | Playfair | Proc. Linn. Soc. New South Wales | 46: 125, pl. V: fig. 17 | 1921 |
| Phacus quinquemarginatus | Jahn & Shawhan | image | ||
| Phacus raciborskii | Drezepolski | image | ||
| Phacus raciborskii var. longus | V. Conforti | image | ||
| Phacus raciborskii var. longus_('longa') | V. Conforti | Cryptog.: Algol. | 10: 73, fig. 3 | 1989 |
| Phacus raciborskii var. major | Bourrelly | image | ||
| Phacus raciborskii var. minor | Hortobágyi | image | ||
| Phacus raciborskii var. triqueter | Z.X. Shi | Acta Hydrobiol. Sin. | 11: 358, 364, fig. 1 n-p | 1987 |
| Phacus ranae | Skvortzov | image | ||
| Phacus ranula | Pochmann | Arch. Protistenk. | 95: 212 | 1942 |
| Phacus ranula var. africana | Bourrelly | image | ||
| Phacus ranula var. brevicaudatus | Philipose | image | ||
| Phacus ranula var. minor | V. Conforti | Nova Hedwigia | 53: 94, pl. VI: fig. 35 | 1991 |
| Phacus ranula_('ranulus') | Prescott | image | ||
| Phacus ranula_('ranulus') | Prescott | Ohio J. Sci | 55: 112, pl. III: fig. 13 | 1955 |
| Phacus rapacea | Skvortzov | image | ||
| Phacus regularis | Kufferath | image | ||
| Phacus rodriguesiae | V. Conforti | Rev. Hydrobiol. Trop. | 27: 15, pl. IV: figs. 5a-c | 1995 |
| Phacus rostafinski | Drezepolski | image | ||
| Phacus rostafinskii | Drezepolski | image | ||
| Phacus rostafinskii f. brevicaudata | Kiss | image | ||
| Phacus rotundata | Skvortzov | image | ||
| Phacus rotundus_('rotunda') | (Pochmann) Zakryś & M. Łukomska in Łukomska et al. | J. Phycol. | 51: 1153 | 2015 |
| Phacus rotundus_('rotunda') | Brabez | image | ||
| Phacus rudicula | (Playfair) Pochmann | Arch. Protistenk. | 95: 227 | 1942 |
| Phacus ruttneri | Bourrelly | image | ||
| Phacus salinus f. minor | I. Ciugulea & R.E. Triemer | Color atlas of photosynthetic euglenoids: | 118 | 2010 |
| Phacus salinus_('salina') | (Fritsch) E.W. Linton & A. Karnkowska in I. Ciugulea & R.E. Triemer | Color atlas of photosynthetic euglenoids: | 117 | 2010 |
| Phacus salinus_('salina') | (Fritsch) E.W. Linton & A. Karnkowska-Ishikawa in Linton et al. | Protist | 161: 609 | 2010 |
| Phacus schroeteri | Huber-Pestalozzi | image | ||
| Phacus segretii | Allorge & Lefčvre | image | ||
| Phacus segretii var. brevicaudata | Bourrelly | image | ||
| Phacus segretii var. major | V. Conforti | Rev. Hydrobiol. Trop. | 27: 15, pl. III: figs. 22a-c | 1995 |
| Phacus segretii var. ovum | Prescott | image | ||
| Phacus segretii var. punctulata | Allorge & Lefčvre | image | ||
| Phacus segretii var. punctulatus_('punctulata') | Allorge & Lefèvre | Bull. Soc. Bot. France | 72(Sess. Extr.): 128, figs. 61-63 | 1931 |
| Phacus sesquitortus | Pochmann | image | ||
| Phacus sesquitortus var. longicauda | A.A. Tolivia & V. Conforti in Tolivia et al. | Algol. Stud. | 140: 15, fig. 50 | 2012 |
| Phacus sesquitortus var. multiannulatus | V. Conforti | Rev. Hydrobiol. Trop. | 27: 15, pl. V: fig. 10 | 1995 |
| Phacus setosus | France | image | ||
| Phacus setosus var. crenatus_('crenata') | Skvortzov | image | ||
| Phacus setosus var. polonicus_('polonica') | Skvortzov | image | ||
| Phacus setosus var. quadrangulatus | Y. Yamagishi | Plankton algae of Southeast Asia: | 60, pl. 29: fig. 2 | 2010 |
| Phacus similis | Christen | image | ||
| Phacus similis f. minor | Bourrelly & Couté | Revue Algologique, N.S., | 13: 296, pl. I: fig. 3 | 1978 |
| Phacus skujae | Skvortzov | Bericht. Deutsch. Bot. Ges. | 46: 116, pl. II: fig. 42 | 1928 |
| Phacus smulkowskianus | (B. Zakryś) W.-H. Kusber | Willdenowia | 28: 246 | 1998 |
| Phacus snytjkovii | Y.V. Roll | Symposium dedicated to the memory of A.V. Fomin: | 138, 143, fig. 7 | 1938 |
| Phacus sooi | Hortobágyi | image | ||
| Phacus spinifer | Skvortzov | image | ||
| Phacus spiralis | Allegre & Jahn | image | ||
| Phacus spiralis | Skvortzov | image | ||
| Phacus spirogyra | Drezepolski | image | ||
| Phacus spirogyra var. maxima | Prescott | image | ||
| Phacus splendens | Pochmann | Arch. Protistenk. | 95: 224, fig. 141 | 1942 |
| Phacus starmachii | Stawinski | image | ||
| Phacus staurastroides | Conrad | image | ||
| Phacus stokesii f. minor | Conrad | image | ||
| Phacus stokesii | Lemmermann | image | ||
| Phacus stokesii var. minor | Kiss | image | ||
| Phacus striatus | Francé | Természetrajzi Füz. | 16: 91, 162, pl. II: fig. 2 | 1894 |
| Phacus striatus | France | image | ||
| Phacus strombuliformis | Z.X. Shi | Chin. J. Oceanol. Limnol. | 13: 351, fig. 1: 6-8 | 1995 |
| Phacus strongylus | Pochmann | Arch. Protistenk. | 95: 231, fig. 149 | 1942 |
| Phacus subspiralis f. crassus | Z. Shi | Acta Hydrobiol. Sinica | 10: 70, fig. 2c,d | 1986 |
| Phacus subspiralis | Z. Shi | Acta Hydrobiol. Sinica | 10: 70, fig. 2a,b | 1986 |
| Phacus suecica var. lata | Roll | image | ||
| Phacus suecicus f. major | Yacubson | image | ||
| Phacus suecicus | Lemmermann | image | ||
| Phacus suecicus var. inermis | Nygaard | image | ||
| Phacus sulcatus | Conrad | image | ||
| Phacus svirenkoanus | (Skvortzov) Z.X. Shi in Z.X. Shi et al. | Flora Algarum Sinicarum Aquae Dulcis. Tomus VI. Euglenophyta: | 217 | 1999 |
| Phacus swirenko | Skvortzov | image | ||
| Phacus tabodyana | Hortobágyi | image | ||
| Phacus tabodyana_('Tabódyana') | Hortobágyi | Bot. Közlem. | 41(3/5): 106, figs. 21-23 | 1944 |
| Phacus tellii | V. Conforti | Cryptog.: Algol. | 10: 73, fig. 2 | 1989 |
| Phacus tenuis | Svirenko | image | ||
| Phacus teres | F. Schmitz | image | ||
| Phacus textus | Pochmann | image | ||
| Phacus thompsonii_('thompsoni') | Huber-Pestalozzi | image | ||
| Phacus thrombus f. minor | Hortobágyi | image | ||
| Phacus thrombus | Pochmann | image | ||
| Phacus tortifolius | Z.X. Shi | Acta Phytotax. Sin. | 34: 107, fig. 2 | 1996 |
| Phacus tortuosa | Roll | image | ||
| Phacus tortus f. brevicaudata | Huber-Pestalozzi | image | ||
| Phacus tortus var. helicoides | (Pochmann) Huber-Pestalozzi | image | ||
| Phacus tortus var. minima | Martinez | image | ||
| Phacus tortus var. roeckli_('Roecklii') | Pochmann | image | ||
| Phacus tortus var. sesquitortus | (Pochmann) Huber-Pestalozzi | image | ||
| Phacus tortus var. tortuosa | Skvortzov | image | ||
| Phacus tortus_('torta') | (Lemmermann) Skvortzov | image | ||
| Phacus trapezialis | Z.X. Shi in Shi et al. | Flora Algarum Sinicarum Aquae Dulcis. Tomus VI. Euglenophyta: | 264, pl. LXIX: figs. 3-5 | 1999 |
| Phacus trapezoides | Stawinski | image | ||
| Phacus trialatus | Wawrik | image | ||
| Phacus triangularis | Z.X. Shi | Acta Hydrobiol. Sin. | 11: 358, 365, fig. 2 a-c | 1987 |
| Phacus triangulus | Z.X. Shi | Acta Phytotax. Sin. | 34: 108, fig. 3 | 1996 |
| Phacus tricarinatus | Prowse | image | ||
| Phacus tricostatus | Conrad | image | ||
| Phacus trifacialis | Prowse | image | ||
| Phacus trimarginatus | Allegre & Jahn | image | ||
| Phacus trimarginatus var. truncatus_('truncata') | Z.X. Shi | Chin. J. Oceanol. Limnol. | 13: 351, fig. 2: 9-11 | 1995 |
| Phacus tripteris | Dujardin | Infusoires: | 338, pl. V: fig. 7 | 1841 |
| Phacus triqueter | (Ehrenberg) Perty | image | ||
| Phacus triqueter var. bucharica | Kiselev | image | ||
| Phacus triqueter var. hyalina | Perty | image | ||
| Phacus triqueter var. lata | Skvortzov | image | ||
| Phacus triqueter var. minor | Huber-Pestalozzi | image | ||
| Phacus triqueter var. oblongus | Z.X. Shi | Acta Hydrobiol. Sin. | 11: 360, 365, fig. 2 d, e | 1987 |
| Phacus triquetrus_('triquetra') | (Ehrenberg) Dujardin | image | ||
| Phacus tropicalis | V. Conforti | Rev. Hydrobiol. Trop. | 27: 15, pl. IV: figs. 3a-c | 1995 |
| Phacus tropidonotus | Conrad | image | ||
| Phacus trypanon | Pochmann | Arch. Protistenk. | 95: 222, fig. 139 | 1942 |
| Phacus turgidulus | Pochmann | Arch. Protistenk. | 95: 222, fig. 138 | 1942 |
| Phacus ulula | Pochmann | image | ||
| Phacus undulatus | (Skvortzov) Pochmann | image | ||
| Phacus undulatus f. major | (Prescott) Huber-Pestalozzi | image | ||
| Phacus undulatus f. minor_('minus') | Prescott | image | ||
| Phacus undulatus f. multiundulata | (Halász) Huber-Pestalozzi | image | ||
| Phacus undulatus var. carinatus | Bourrelly | image | ||
| Phacus undulatus var. myersi | (Skvortzov) Huber-Pestalozzi | image | ||
| Phacus undulatus | Z.X. Shi in Z.X. Shi et al. | Flora Algarum Sinicarum Aquae Dulcis. Tomus VI. Euglenophyta: | 233 | 1999 |
| Phacus unguis | Pochmann | image | ||
| Phacus unguis var. tihanyensis | Hortobágyi | image | ||
| Phacus unidentatus | Prowse | image | ||
| Phacus ventriosus | Pochmann | image | ||
| Phacus venustus | Pochmann | image | ||
| Phacus venustus var. prescottii | Huber-Pestalozzi | image | ||
| Phacus viguieri | Allorge & Lefčvre | image | ||
| Phacus viridioryza | J.I. Kim & W. Shin | J. Phycol. | 50: 956, fig. 2H | 2014 |
| Phacus warszewiczii | Drezepolski | image | ||
| Phacus warszewiczii | Drezepolski | image | ||
| Phacus wettsteinii_('wettsteini') | Drezepolski | image | ||
| Phacus woltereckii | Behre | image | ||
| Phacus zingeri | Roll | image | ||
| Phacus zmiewicus | Dedusenko-Shchegoleva | image | ||
| PROTEROPHACUS | A. Pochmann | image | ||
| PSEUDOPHACUS | Hansgirg | image | ||
| PYROPHACUS | F. Stein | image | ||
| Pyrophacus horologium | F. Stein | image | ||
| Pyrophacus horologium var. steinii | J. Schiller | image | ||
| Pyrophacus steinii | (J. Schiller) D. Wall & B. Dale | image | ||
| Pyrophacus vancampoae | (M. Rossignol) D. Wall & B. Dale | image | ||
| Scherffelia phacus | A.A. Pascher | image | ||
| SIDEROPHACUS | Beger | image | ||
| Siderophacus corneolus | (Dorff) Beger | image | ||
| SPIROPHACUS | Lemmermann | image | ||
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