| Name | Author | Source | Citation | Year |
|---|
| Amphitropis pleurosigma | Reinhard | image |
| Amphora pleurosigma | J.A. Tempère & J.-J. Brun | image |
| EUPLEUROSIGMA | Schütt | image |
| Petalomonas mediocanellata var. pleurosigma | (Stokes) Lemmermann | image |
| Petalomonas pleurosigma | Stokes | image |
| PLEUROSIGMA | W. Smith | image |
| PLEUROSIGMA | | image |
| PLEUROSIGMA | | image |
| Pleurosigma abruptum | H. Peragallo | image |
| Pleurosigma acuminatum | (Kützing) W. Smith | image |
| Pleurosigma acuminatum f. minor | Rabenhorst | image |
| Pleurosigma acuminatum f. obtusum_('obtusa') | Dippel | image |
| Pleurosigma acuminatum var. curta | M. Peragallo | image |
| Pleurosigma acuminatum var. curtum_('curta') | Grunow | image |
| Pleurosigma acuminatum var. cuspidatum | (Rabenhorst) Rabenhorst | image |
| Pleurosigma acuminatum var. lacustre | (Smith) Rabenhorst | image |
| Pleurosigma acuminatum var. lacustre | (W. Smith) Rabenhorst | Fl. Eur. Alg. | I: 239 | 1864 |
| Pleurosigma acuminatum var. scalproides | Brun | image |
| Pleurosigma acus | Mann | image |
| Pleurosigma acutum f. brasilianum_('brasiliana') | Müller-Melchers | image |
| Pleurosigma acutum | Norman | image |
| Pleurosigma acutum | Norman ex Ralfs | image |
| Pleurosigma acutum var. australicum | Grunow | image |
| Pleurosigma acutum var. latum | T.G. Chin & S.-C. Liu | Journal of the University of Amoy (Xiamen) | 3: 135, fig. A | 1979 |
| Pleurosigma acutum var. pelagicum | H. Peragallo ex H. Peragallo | image |
| Pleurosigma aestuarii | (Brebisson) W. Smith | image |
| Pleurosigma aestuarii var. delicatum_('delicata') | Meister | image |
| Pleurosigma aestuarii var. intermedium_('intermedia') | Grunow | image |
| Pleurosigma aestuarii var. minutum | Grunow | K. Svenska Vet. Akad. Handl. [ser. 4], | 17{2}: 52, no fig. | 1880 |
| Pleurosigma aestuarii var. minutum_('minuta') | (Grunow) Grunow | image |
| Pleurosigma affine | Grunow | image |
| Pleurosigma affine var. fossile_('fossilis') | Grunow | image |
| Pleurosigma affine var. interruptum | H. Peragallo | image |
| Pleurosigma affine var. marylandicum_('marylandica') | Grunow | image |
| Pleurosigma affine var. normannii_('normanni') | (Ralfs) H. Peragallo | image |
| Pleurosigma affine var. temperei | Frenguelli | image |
| Pleurosigma agellus | Ralfs | image |
| Pleurosigma amarum_('amara') | S.R. Stidolph | Diatom Res. | 7: 349, figs. 44-51, 64-76 | 1992 |
| Pleurosigma amarum_('amara') | Stidolph | image |
| Pleurosigma ambrosianum | F.A.S. Sterrenburg, M.A. Tiffany & C.B. Lange | Proc. Acad. Nat. Sci. Philadelphia | 150: 309, figs. 5-8, 11, 25-33 | 2000 |
| Pleurosigma americanum | H. Peragallo | image |
| Pleurosigma angulatum | (Quekett) W. Smith | image |
| Pleurosigma angulatum f. chemburianum_('chemburiana') | Gonzalves & Gandhi | image |
| Pleurosigma angulatum f. major | Truan y Luard | image |
| Pleurosigma angulatum f. minor | Rabenhorst | image |
| Pleurosigma angulatum f. minutum | (Grunow) De Toni | Syll. Alg. | 2: 232 | 1891 |
| Pleurosigma angulatum f. undulatum | (Grunow) Cleve | image |
| Pleurosigma angulatum var. aestuarii | Meunier | image |
| Pleurosigma angulatum var. convexum | (Grunow) Cleve | image |
| Pleurosigma angulatum var. falcatum | S.-C. Liu & T.G. Chin | Universitatis Amoiensis, Acta Scientiarum Naturalium | 19(2): 113, fig. I | 1980 |
| Pleurosigma angulatum var. finmarchicum_('finmarchica') | (Cleve) Cleve | image |
| Pleurosigma angulatum var. genuinum | Cleve-Euler | image |
| Pleurosigma angulatum var. javanicum | Grunow | image |
| Pleurosigma angulatum var. minutum | (Grunow) McCall | J. Linn. Soc. London, Bot. | 49: 266 | 1933 |
| Pleurosigma angulatum var. quadratum | Meunier | image |
| Pleurosigma angulatum var. robustum | McCall | image |
| Pleurosigma angulatum var. undulatum_('undulata') | Grunow | image |
| Pleurosigma angusticonvexum_('angusti-convexum') | Hagelstein | N.Y. Acad. Sci., Sci. Surv. Porto Rico & Virgin Is. | 8: 409, pl. 9: fig. 5 | 1939 |
| Pleurosigma angustum | Donkin | Trans. Micr. Soc. London, ser. 2, | 6: 24, pl. III: fig. 9 | 1858 |
| Pleurosigma antarcticum | Grunow | image |
| Pleurosigma antarcticum | Heiden & Kolbe | image |
| Pleurosigma antarcticum var. angustum_('angusta') | Heiden & Kolbe | image |
| Pleurosigma antillarum | H. Peragallo | image |
| Pleurosigma apulum | (Rabenhorst) Ralfs | image |
| Pleurosigma arafurense | Castracane | image |
| Pleurosigma arcticum | (Cleve) A. Mann | Australas. Antarct. Exped. 1911-14, Sci. Rep., ser. C, | 1{1}: 66 | 1937 |
| Pleurosigma arcticum | (Cleve) Mann | image |
| Pleurosigma arcuatum | Donkin | Trans. Microscop. Soc. London, ser. 2, | 6: 25, pl. III: fig. 10 | 1858 |
| Pleurosigma asiaticum | (Tempère & Brun) H. Peragallo | Diatomiste | 5: | 1891 |
| Pleurosigma atlanticum | Frenguelli | image |
| Pleurosigma atlanticum | Heiden & Kolbe | image |
| Pleurosigma attenuatum | (Kützing) W. Smith | image |
| Pleurosigma attenuatum var. agellus | (C.G. Ehrenberg) Rabenhorst | image |
| Pleurosigma attenuatum var. caspium_('caspia') | Grunow | image |
| Pleurosigma australe | Grunow | image |
| Pleurosigma australicum | Witt | image |
| Pleurosigma baileyi | Grunow | image |
| Pleurosigma balearicum | Cleve & Grunow | image |
| Pleurosigma baltico-sinense_('baltico-sinensis') | Schwarz | image |
| Pleurosigma balticum | (C.G. Ehrenberg) W. Smith | image |
| Pleurosigma balticum | (Ehrenberg) W. Smith | Ann. & Mag. Nat. Hist., ser. 2, | 9: 8 | 1852 |
| Pleurosigma balticum f. minus_('minor') | Leuduger-Fortmorel | image |
| Pleurosigma balticum f. parvum_('parva') | Leuduger-Fortmorel | image |
| Pleurosigma balticum var. californicum | Grunow | K. Svenska Vet.-Akad. Handl., ser. 4, | 17{2}: 55 | 1880 |
| Pleurosigma balticum var. californicum | Grunow in Cleve & Möller | Diatoms [Exsiccatae] | 5: no. 246 | 1879 |
| Pleurosigma balticum var. constrictum | Grunow | image |
| Pleurosigma balticum var. diminutum | Grunow | image |
| Pleurosigma balticum var. maeoticum | Pantocsek | image |
| Pleurosigma balticum var. maximum_('maxima') | H. Peragallo | image |
| Pleurosigma balticum var. simile | Grunow | image |
| Pleurosigma balticum var. terryanum | H. Peragallo | image |
| Pleurosigma balticum var. wansbeckii | (Donkin) H. Peragallo | image |
| Pleurosigma barbadense | Grunow | image |
| Pleurosigma biharense | Pantocsek | image |
| Pleurosigma bistriatum | Schumann | Schr. K. Phys.-Ökon. Ges. Königsberg | 8{Abh.}: 59, pl. II: fig. 58 | 1867 |
| Pleurosigma boyeri | Keeley | image |
| Pleurosigma brasilianum_('brasiliana') | Müller-Melchers | image |
| Pleurosigma brasiliense | Zimmermann | image |
| Pleurosigma brebissonii | Grunow | image |
| Pleurosigma brunii | Cleve ex H. Peragallo | image |
| Pleurosigma candidum | Schumann | image |
| Pleurosigma capense | Karsten | image |
| Pleurosigma capense | P. Petit in Folin & Périer, | Fonds de la Mer | 2: 255, pl. XI: figs. 3, 4 | 1874 |
| Pleurosigma capense | Petit | image |
| Pleurosigma carinatum | Donkin | image |
| Pleurosigma chandolense | H.P. Gandhi ex Karthick in Guiry et al. | Notulae algarum | 133: 7, description and illustration in Gandhi (1998: 75, pl. III: figs. 176, 177; pl. IV: fig. 18) | 2020 |
| Pleurosigma chandolense_('chandolensis') | H.P. Gandhi | Fresh-water Diatoms Central Gujarat | 75, pl. III: figs. 176, 177; pl. IV: fig. 187 | 1998 |
| Pleurosigma chilense var. patagonicum_('patagonica') | M.E. Ferrario & E.A. Sar | Darwiniana | 30: 201, figs. 1-6 | 1991 |
| Pleurosigma chilense_('chilensis') | Hustedt & Krasske | image |
| Pleurosigma clevei | Grunow | image |
| Pleurosigma clevei var. cornutum_('cornuta') | Grunow ex Cleve | image |
| Pleurosigma clevei var. fossile_('fossilis') | Brun ex H. Peragallo | image |
| Pleurosigma clevei var. genuinum | Cleve-Euler | image |
| Pleurosigma clevei var. manitounukense_('manitounukensis') | M. Poulin & A. Cardinal | Canad. J. Bot. | 60: 1266, figs. 4, 10, 11 | 1982 |
| Pleurosigma clevei var. manitounukense_('manitounukensis') | Poulin & Cardinal | image |
| Pleurosigma clevei var. sibericum_('siberica') | Grunow in Cleve | Vega-Exped. Vet. Iaktt. | 3: 475, pl. 35: fig. 14 | 1883 |
| Pleurosigma compactum | Greville | image |
| Pleurosigma constrictum | Grunow | image |
| Pleurosigma convexum | Grunow | image |
| Pleurosigma crassum | Meister | image |
| Pleurosigma crookii | Inglis | image |
| Pleurosigma curiosum_('curiosa') | van den Heuvel in F.A.S. Sterrenburg | Diatom Res. | 6: 388, figs. 22-28 | 1991 |
| Pleurosigma curvulum | (C.G. Ehrenberg) Ralfs | image |
| Pleurosigma curvulum f. longior | Truan y Luard | image |
| Pleurosigma cuspidatum | (Cleve) Cleve | image |
| Pleurosigma cuspidatum | (Rabenhorst) Ralfs | image |
| Pleurosigma cuspidatum var. rostratum | Proschkina-Lavrenko | image |
| Pleurosigma dalmaticum | (Grunow) Grunow | image |
| Pleurosigma decorum var. americanum | H. Peragallo | image |
| Pleurosigma decorum var. dalmaticum | Grunow | image |
| Pleurosigma decorum var. inflatum | H. Peragallo | image |
| Pleurosigma decorum var. quebecense_('quebecensis') | A. Cardinal, M. Poulin, & L. Bérard-Therriault | Naturaliste Canad. | 113: 182, figs. 61, 62 | 1986 |
| Pleurosigma decorum | W. Smith | Syn. Brit. Diat. | 1: 63, pl. XXI: fig. 196 | 1853 |
| Pleurosigma delicatulum f. minor | Schulz | image |
| Pleurosigma delicatulum var. africanum_('africana') | Grunow | image |
| Pleurosigma delicatulum var. americanum_('americana') | Cleve | image |
| Pleurosigma delicatulum var. genuinum | Cleve-Euler | image |
| Pleurosigma delicatulum var. gracile | McCall | image |
| Pleurosigma delicatulum var. hyalinum_('hyalina') | Grunow | image |
| Pleurosigma delicatulum var. karianum_('Kariana') | Grunow | image |
| Pleurosigma delicatulum var. macilentum | H. Peragallo | image |
| Pleurosigma delicatulum var. obtusiusculum_('obtusiuscula') | Grunow ex Cleve | image |
| Pleurosigma delicatulum var. salinarum | Grunow | image |
| Pleurosigma delicatulum | W. Smith | Ann. & Mag. Nat. Hist., ser. 2, | 9: 6, pl. I: fig. 5 | 1852 |
| Pleurosigma densestriatum_('densestriata') | Gandhi | image |
| Pleurosigma densestriatum_('densestriata') | H.P. Gandhi | Hydrobiologia | 30: 266, figs. 55, 56, 58 | 1967 |
| Pleurosigma depauperatum_('depauperata') | Manguin | image |
| Pleurosigma diminutum | Grunow | K. Svenska Vetensk.-Akad. Handl., ser. 4, | 17{2}: 56 | 1880 |
| Pleurosigma directum | Grunow | image |
| Pleurosigma directum var. membranaceum_('membranacea') | Subrahmanyan | image |
| Pleurosigma directum var. secumdum | Karsten | image |
| Pleurosigma distinguendum | Hustedt | image |
| Pleurosigma distortum | W. Smith | Ann. & Mag. Nat. Hist., ser. 2, | 9: 7, pl. I: fig. 10 | 1852 |
| Pleurosigma diverse-striatum | Meister | image |
| Pleurosigma dolosum | Mann | image |
| Pleurosigma elegantissimum | Castracane | image |
| Pleurosigma elongatum | Auerswald | image |
| Pleurosigma elongatum var. balearicum | H. Peragallo | image |
| Pleurosigma elongatum var. densestriatum_('densestriata') | Andrade & Teixeira | image |
| Pleurosigma elongatum var. fallax | (Grunow) Cleve | image |
| Pleurosigma elongatum var. fallax | Grunow | image |
| Pleurosigma elongatum var. genuinum | Cleve-Euler | image |
| Pleurosigma elongatum var. gracile | Grunow | image |
| Pleurosigma elongatum var. gracilescens | (Grunow) Grunow | image |
| Pleurosigma elongatum var. grossepunctatum | John | image |
| Pleurosigma elongatum var. karianum_('kariana') | (Grunow) Cleve | image |
| Pleurosigma elongatum var. latestriatum_('latestriata') | M. Peragallo | image |
| Pleurosigma elongatum var. sinicum_('sinica') | Skvortzov | image |
| Pleurosigma elongatum | W. Smith | Ann. & Mag. Nat. Hist., ser. 2, | 9: 6, pl. I: fig. 4 | 1852 |
| Pleurosigma eudon | Pantocsek | image |
| Pleurosigma eudon var. kerguelense_('kerguelensis') | Heiden & Kolbe | image |
| Pleurosigma eudon var. strictum_('stricta') | M. Peragallo | image |
| Pleurosigma excelsum | Meister | image |
| Pleurosigma exemptum | Mann | image |
| Pleurosigma eximium | (Thwaites) Grunow | image |
| Pleurosigma exsul | Cleve | image |
| Pleurosigma falcatum | Donkin | Quart. J. Micr. Sci., ser. 2, | 1: 7, pl. I: fig. 1 | 1861 |
| Pleurosigma fallax | Grunow | image |
| Pleurosigma falx | Mann | image |
| Pleurosigma fasciola | (C.G. Ehrenberg) W. Smith | image |
| Pleurosigma fasciola | (Ehrenberg) W. Smith | Ann. & Mag. Nat. Hist., ser. 2, | 9: 9 | 1852 |
| Pleurosigma fasciola var. arcuatum | (Donkin) Van Heurck | Treat. Diat.: | 259 | 1896 |
| Pleurosigma fasciola var. prolongatum | (W. Smith) Van Heurck | Treat. Diat.: | 259 | 1896 |
| Pleurosigma fasciola var. sulcatum | Grunow | image |
| Pleurosigma fasciola var. tenuirostre_('tenuirostris') | Grunow | image |
| Pleurosigma febigeri_('febigerii') | Grunow | image |
| Pleurosigma finmarchicum | Cleve | image |
| Pleurosigma fissum_('fissa') | Jurilj | image |
| Pleurosigma fluviicygnorum | John | image |
| Pleurosigma formosum var. arcus | Cleve | image |
| Pleurosigma formosum var. dalmaticum_('dalmatica') | (Grunow) Cleve | image |
| Pleurosigma formosum var. genuinum | Cleve-Euler | image |
| Pleurosigma formosum var. longissimum_('longissima') | Grunow | image |
| Pleurosigma formosum var. orientale_('orientalis') | Skvortzov | image |
| Pleurosigma formosum | W. Smith | Ann. & Mag. Nat. Hist., ser. 2, | 9: 5, pl. I: figs. 1, 2 | 1852 |
| Pleurosigma frenguellianum | I. Sunesen, F.A.S. Sterrenburg & E.A. Sar in Sar et al. | Eur. J. Phycol. | 49: 157, figs. 25-47 | 2014 |
| Pleurosigma frigidum | Mann | image |
| Pleurosigma galapagense | Cleve | image |
| Pleurosigma galapagense var. kumariense_('kumariensis') | Venkataraman | image |
| Pleurosigma giganteum | Grunow | image |
| Pleurosigma giganteum var. baccatum | O'Meara | image |
| Pleurosigma glaciale | Cleve | image |
| Pleurosigma gracile | Hustedt | image |
| Pleurosigma gracilentum | Rabenhorst | Krypt.-Fl. Sachsen | 1: 617 | 1863 |
| Pleurosigma gracilescens | Grunow | image |
| Pleurosigma gracilitate_('gracilitatis') | F.A.S. Sterrenburg, M.E. Meave del Castillo, & M.A. Tiffany | Cryptogamie: Algologie | 24: 297 | 2003 |
| Pleurosigma gracillimum | Meister | image |
| Pleurosigma grovesii | Cleve ex H. Peragallo | image |
| Pleurosigma gruendleri_('gründleri') | Grunow | image |
| Pleurosigma guarreranum | E.A. Sar, F.A.S. Sterrenburg & I. Sunesen | European Journal of Phycology | 48: 453, figs. 2-27 | 2013 |
| Pleurosigma hamuliferum | Brun | image |
| Pleurosigma heros | Cleve | image |
| Pleurosigma hinzianum | I. Sunesen, F.A.S. Sterrenburg & E.A. Sar in Sar et al. | Eur. J. Phycol. | 49: 152, figs. 2-24 | 2014 |
| Pleurosigma hippocampus | (C.G. Ehrenberg) W. Smith | image |
| Pleurosigma hippocampus | W. Smith | Ann. Mag. Nat. Hist. | ser. 2. 9: 10, pl. II: figs. 9, 10 | 1852 |
| Pleurosigma hungaricum | Cleve & Brun | image |
| Pleurosigma hyalinum | Grunow | image |
| Pleurosigma ibericum | H. Peragallo | Diatomiste | 1, suppl.: 8, pl. III: fig. 12 | 1891 |
| Pleurosigma incertum | (H. Peragallo) Cleve | K. Svenska Vet.-Akad. Handl., ser. 4, | 26{2}: 43 | 1894 |
| Pleurosigma indicum | Simonsen | image |
| Pleurosigma inflatum | Shadbolt | Trans. Micr. Soc. London ser. 2, | 2: 16, pl. I: fig. 9 | 1854 |
| Pleurosigma inscriptura | M.A. Harper in Harper, Patterson, & Harper | Acta Bot. Croat. | 68: 343, fig. 19-20 | 2009 |
| Pleurosigma intermedium var. amphipleuroides | Grunow | image |
| Pleurosigma intermedium var. dongshanense | T.G. Chin & S.-C. Liu | Journal of the University of Amoy (Xiamen) | 3: 137, fig. D | 1979 |
| Pleurosigma intermedium var. subrectum | Grunow | image |
| Pleurosigma intermedium | W. Smith | Syn. Brit. Diat. | 1: 64, pl. XXI: fig. 200 | 1853 |
| Pleurosigma italicum | H. Peragallo | image |
| Pleurosigma itaparicanum | Zimmermann | image |
| Pleurosigma itium | Ricard | image |
| Pleurosigma itium var. angulosum | Ricard | image |
| Pleurosigma japonicum | Castracane | image |
| Pleurosigma javanicum | Grunow | image |
| Pleurosigma javanicum | H. Peragallo | image |
| Pleurosigma karstenii | Taylor | image |
| Pleurosigma kerguelense | Grunow | image |
| Pleurosigma kerguelense var. robustum_('robusta') | M. Peragallo | image |
| Pleurosigma kjellmanii | Cleve | image |
| Pleurosigma kjellmanii_('kjellmani') | Cleve | image |
| Pleurosigma kochii | Pantocsek | image |
| Pleurosigma kowiense | Giffen | image |
| Pleurosigma kuetzingii | Grunow | image |
| Pleurosigma kuetzingii | Grunow | image |
| Pleurosigma lacustre | W. Smith | Ann. & Mag. Nat. Hist., ser. 2, | 9: 12, pl. II: fig. 14 | 1852 |
| Pleurosigma lamprocampum | (C.G. Ehrenberg) Ralfs | image |
| Pleurosigma lanceolatum | Donkin | image |
| Pleurosigma lanceolatum f. undulatum_('undulata') | Frenguelli | image |
| Pleurosigma lanceolatum | G. Norman | image |
| Pleurosigma lanceolatum | G. Norman | image |
| Pleurosigma lanceolatum var. cuspidatum | Cleve | image |
| Pleurosigma lanceolatum var. tahitense_('tahitensis') | Grunow | image |
| Pleurosigma lange-bertalotii | B. Karthick & J.P. Kociolek | Beih. Nova Hedwigia | 141: 119, figs. 1-8 | 2012 |
| Pleurosigma latiusculum | H. Peragallo | image |
| Pleurosigma latiusculum var. grossipunctum | T.G. Chin & S.-C. Liu | Journal of the University of Amoy (Xiamen) | 3: 136, fig. B | 1979 |
| Pleurosigma latum | Cleve | image |
| Pleurosigma lineare | Grunow | image |
| Pleurosigma littorale var. longitudinale | Mann | image |
| Pleurosigma littorale | W. Smith | Ann. & Mag. Nat. Hist., ser. 2, | 9: 10, pl. II: fig. 8 | 1852 |
| Pleurosigma longinum_('longina') | W. Smith ex Brightwell | image |
| Pleurosigma longissimum | Cleve | image |
| Pleurosigma longitudinale | Mann | image |
| Pleurosigma longum | Cleve | image |
| Pleurosigma longum f. japonicum_('japonica') | Skvortzov | image |
| Pleurosigma longum f. minus | E. Manguin ex Kociolek & Reviers | Cryptogamie: Algologie | 17: 184 | 1996 |
| Pleurosigma longum f. minus_('minor') | E. Manguin | Rev. Alg. n.s. | 5: 276, pl. V(31): figs. 11, 12 | 1961 |
| Pleurosigma longum f. minus_('minor') | Manguin | image |
| Pleurosigma longum var. americanum | (H. Peragallo) Cleve | image |
| Pleurosigma longum var. genuinum | Cleve-Euler | image |
| Pleurosigma longum var. inflatum_('inflata') | (H. Peragallo) Cleve | image |
| Pleurosigma longum var. lanceolatum_('lanceolata') | H. Peragallo & M. Peragallo | Diatomées Marines de France: | pl. XXXI: figs. 7, 8 (desc. on p. 159, 1899) | 1898 |
| Pleurosigma lorenzii | Grunow | Verh. K.K. Zool.-Bot. Ges. Wien | 10: 558, pl. 4: fig. 4 | 1860 |
| Pleurosigma lysekilii | G. Reid | Bulletin Nat. Hist. Museum (Bot.) | 31: 114, fig. 6 | 2001 |
| Pleurosigma macilentum | H. Peragallo | image |
| Pleurosigma macrum | W. Smith | Syn. Brit. Diat. | 1: 67, pl. XXXI: fig. 276 | 1853 |
| Pleurosigma maeoticum | Pantocsek | image |
| Pleurosigma majus | (Grunow) Cleve | image |
| Pleurosigma majus_('major') | S.-C. Liu & T.G. Chin | Universitatis Amoiensis, Acta Scientiarum Naturalium | 19(2): 113, fig. H | 1980 |
| Pleurosigma makron | Johnston | image |
| Pleurosigma malmoense_('malmoensis') | G. Reid | Bulletin Nat. Hist. Museum (Bot.) | 31: 115 | 2001 |
| Pleurosigma mamoranqii_('mamoranqi') | G. Reid | Bulletin Nat. Hist. Museum (Bot.) | 31: 114, fig. 5 | 2001 |
| Pleurosigma mannii_('manni') | Hanna & Grant | image |
| Pleurosigma marinum | Donkin | image |
| Pleurosigma marinum var. antillarum | H. Peragallo | image |
| Pleurosigma marinum var. ibericum | H. Peragallo | image |
| Pleurosigma marinum var. italicum | H. Peragallo | image |
| Pleurosigma marinum var. italicum_('italica') | (Peragallo) Cleve | image |
| Pleurosigma mariutense_('mariutensis') | G. Reid | Bot. J. Linn. Soc. [London] | 140: 84, figs. 27-36 | 2002 |
| Pleurosigma maroccanum | (Cleve ex H. Peragallo) Cleve | K. Svenska Vet.-Akad. Handl., ser. 4, | 26{2}: 42 | 1894 |
| Pleurosigma minutum | Donkin | Trans. Micr. Soc. London, ser. 2, | 6: 24, pl. III: fig. 8 | 1858 |
| Pleurosigma minutum | Grunow | image |
| Pleurosigma mirabile | O'Meara | image |
| Pleurosigma muscicola | Krasske | image |
| Pleurosigma naja | Meister | Ber. Schweiz. Bot. Ges. | 44: 102, fig. 84 | 1935 |
| Pleurosigma naviculaceum | Brebisson | image |
| Pleurosigma naviculaceum f. minutum_('minuta') | Cleve | image |
| Pleurosigma neglectum | Karsten | image |
| Pleurosigma negoroi | T. Gotoh in J.H. Lee, J. Chung, & T. Gotoh | Diatom | 9: 34, pl. 2: 4, 5 | 1994 |
| Pleurosigma neogradense | Pantocsek | image |
| Pleurosigma nicobaricum | Grunow | image |
| Pleurosigma nicobaricum | Grunow | image |
| Pleurosigma nicobaricum var. hamuliferum_('hamulifera') | (Brun) Cleve | image |
| Pleurosigma nicobaricum var. sagitta | (Brun & Tempère) Cleve | image |
| Pleurosigma nodiferum | Grunow | image |
| Pleurosigma normanii | Ralfs | image |
| Pleurosigma normanii var. affine | (Grunow) Cleve-Euler | image |
| Pleurosigma normanii var. fossile_('fossilis') | (Grunow) Cleve | image |
| Pleurosigma normanii var. mahe | Karsten | image |
| Pleurosigma normanii var. marylandicum_('marylandica') | (Grunow) Cleve | image |
| Pleurosigma normanii var. validum | Cleve-Euler | image |
| Pleurosigma notarisii | Castracane | image |
| Pleurosigma nubecula var. amphipleuroides | (Grunow) Cleve | image |
| Pleurosigma nubecula var. genuinum | Cleve-Euler | image |
| Pleurosigma nubecula var. intermedium_('intermedia') | (W. Smith) Cleve | K. Svenska Vet.-Akad. Handl., ser. 4, | 26{2}: 35 | 1894 |
| Pleurosigma nubecula var. mauritianum_('mauritiana') | Grunow ex Cleve | image |
| Pleurosigma nubecula var. parvulum_('parvula') | Grunow | image |
| Pleurosigma nubecula var. subrectum_('subrecta') | (Cleve) Cleve | image |
| Pleurosigma nubecula | W. Smith | Syn. Brit. Diat. | 1: 64, pl. XXI: fig. 201 | 1853 |
| Pleurosigma obesum | Mann | image |
| Pleurosigma obliquum | Grunow | image |
| Pleurosigma obscurum var. barbadense_('barbadensis') | Cleve | image |
| Pleurosigma obscurum var. diminutum_('diminuta') | H. Peragallo | image |
| Pleurosigma obscurum var. mediterraneum_('mediterranea') | Grunow | image |
| Pleurosigma obscurum | W. Smith | Ann. & Mag. Nat. Hist., ser. 2, | 9: 8, pl. I: fig. 11 | 1852 |
| Pleurosigma obtusatum | Sullivant & Wormley | image |
| Pleurosigma obtusatum | W.S. Sullivant in W.S. Sullivant & T.G. Wormley | Amer. J. Sci. & Arts, ser. 2, | 27: 251, footnote | 1859 |
| Pleurosigma obtusum | Mann | image |
| Pleurosigma olympianum | Terry ex Boyer | image |
| Pleurosigma omearae_('o'mearii') | (Grunow) H. Peragallo | image |
| Pleurosigma pacificum | Fei-Chao Du, Yu-Hang Li, & Kui-Dong Xu | PhytoKeys | 227: 102, fig. 1 | 2023 |
| Pleurosigma paradoxum | H. Peragallo | image |
| Pleurosigma parkeri | Harrison | image |
| Pleurosigma parkeri var. stauroneoides | Grunow | image |
| Pleurosigma patagonicum | (M.E. Ferrario & E.A. Sar) F. Sterrenburg & E.A. Sar in Sar et al. | Diatom Research | 27: 248 | 2012 |
| Pleurosigma peisonis | Grunow | image |
| Pleurosigma peisonis var. delicatulum_('delicatula') | A. Amossé | Bull. Soc. Sci. Nat. Ouest (Nantes), ser. 5, | 2: 26, no fig. | 1932 |
| Pleurosigma pelagicum | Cleve | image |
| Pleurosigma pelagicum var. medius_('medium') | T.G. Chin & S.-C. Liu | Journal of the University of Amoy (Xiamen) | 3: 136, fig. C | 1979 |
| Pleurosigma peragalloi var. gracilior | Cleve | image |
| Pleurosigma peragalloi var. perangustum_('perangusta') | Cleve | image |
| Pleurosigma peragalloi_('peragalli') | Brun | image |
| Pleurosigma peragalloi_('peragalli') | Brun | image |
| Pleurosigma permagnum | Meister | image |
| Pleurosigma perthense | John | image |
| Pleurosigma plagiostoma | Grunow | image |
| Pleurosigma planctonicum | Cleve-Euler | image |
| Pleurosigma planctonicum | Cleve-Euler | image |
| Pleurosigma planctonicum | R. Simonsen | "Meteor" Forschungsergebn. Reihe D, | 19: 46, pl. 30 | 1974 |
| Pleurosigma planctonicum | Simonsen | image |
| Pleurosigma planktonicum_('planktonica') | H.J. Schrader in Schrader & Fenner | Initial Rep. Deep Sea Drilling Project | 38: 993, pl. 5: fig. 25 | 1976 |
| Pleurosigma planktonicum_('planktonica') | Schrader | image |
| Pleurosigma portoricense | Hagelstein | N.Y. Acad. Sci., Sci. Surv. Porto Rico & Virgin Is. | 8: 412, pl. 9: figs. 6, 7 | 1939 |
| Pleurosigma praelongum | Cleve | image |
| Pleurosigma prisma | Mann | image |
| Pleurosigma prolongatum var. closterioides | Grunow | Denkschr. Kaiserl. Akad. Wiss. [Wien], Math.-Naturwiss. Cl. | 48(Abt.2): 105, pl. I(A): fig. 58. | 1884 |
| Pleurosigma prolongatum | W. Smith | Ann. & Mag. Nat. Hist., ser. 2, | 9: 9, pl. II: fig. 7 | 1852 |
| Pleurosigma pulchrum | Grunow | image |
| Pleurosigma pumilum | Schumann | image |
| Pleurosigma pusillum | Grunow | image |
| Pleurosigma quadratum var. rhombeum | Grunow | image |
| Pleurosigma quadratum var. rhombeum | Grunow | image |
| Pleurosigma quadratum | W. Smith | Syn. Brit. Diat. | 1: 65, pl. XX: fig. 204 | 1853 |
| Pleurosigma rahlehense_('ramlehensis') | G. Reid | Bot. J. Linn. Soc. [London] | 140: 87, figs. 47-53 | 2002 |
| Pleurosigma rectum | Donkin | Trans. Micr. Soc. London, ser. 2, | 6: 23, pl. III: fig. 6 | 1858 |
| Pleurosigma rectum var. minutum | (Donkin) Carruthers | image |
| Pleurosigma reticulatum | (Norman ex Ralfs) Hustedt | image |
| Pleurosigma retusum | Zimmermann | image |
| Pleurosigma reversum | Gregory | image |
| Pleurosigma rhombeum | Grunow | image |
| Pleurosigma rhomboides | Cleve | image |
| Pleurosigma rhomboides var. angustior | Grunow | image |
| Pleurosigma rigens | Mann | image |
| Pleurosigma rigidum f. minus_('minor') | McCall | image |
| Pleurosigma rigidum var. genuinum | Cleve-Euler | image |
| Pleurosigma rigidum var. giganteum_('gigantea') | (Grunow) Cleve | image |
| Pleurosigma rigidum var. incurvatum_('incurvata') | Brun | image |
| Pleurosigma rigidum var. incurvum_('incurva') | Brun | image |
| Pleurosigma rigidum | W. Smith | Syn. Brit. Diat. | 1: 64, pl. XX: fig. 198 | 1853 |
| Pleurosigma robustum | (Grunow) Grunow | image |
| Pleurosigma rostratum | Hustedt | image |
| Pleurosigma rushdyense_('rushdyensis') | G. Reid | Bot. J. Linn. Soc. [London] | 140: 90, figs. 59-66 | 2002 |
| Pleurosigma sabangi | Meister | image |
| Pleurosigma sagitta | Tempère & Brun | image |
| Pleurosigma salinarum | (Grunow) Grunow | image |
| Pleurosigma salinarum var. boyeri | (Keeley) Reimer | image |
| Pleurosigma salinarum var. paradoxum_('paradoxa') | (H. Peragallo) Cleve | image |
| Pleurosigma salinarum var. pusillum_('pusilla') | (Grunow) Cleve | image |
| Pleurosigma salinarum var. typicum | Cleve-Euler | image |
| Pleurosigma sardoum | V. Zanon | Bollettino di pesca, piscicoltura e idrobiologia | 3: 220, fig. 3 | 1948 |
| Pleurosigma scalpellum | (Kützing) Ralfs | image |
| Pleurosigma scalproides | Rabenhorst | image |
| Pleurosigma scalproides | Rabenhorst | image |
| Pleurosigma scalproides var. minutulum_('minutula') | Dippel | image |
| Pleurosigma scalprum | (Gaillon) Ralfs in Pritchard | Hist. Inf. ed. 4: | 919 | 1861 |
| Pleurosigma sciotense | Sullivant & Wormley | image |
| Pleurosigma sciotoense_('sciotoensis') | W.S. Sullivant in W.S. Sullivant & T.G. Wormley | Amer. J. Sci. & Arts, ser. 2, | 27: 251, footnote | 1859 |
| Pleurosigma sibericum var. manitounukense_('manitounukensis') | (M. Poulin & A. Cardinal) A. Cardinal, M. Poulin, & L. Bérard-Therriault | Phycologia | 28: 25 | 1989 |
| Pleurosigma sibericum var. manitounukense_('manitounukensis') | (Poulin & Cardinal) Cardinal, Poulin & Berard-Therriault | image |
| Pleurosigma sibericum_('siberica') | (Grunow) A. Cardinal, M. Poulin, & L. Bérard-Therriault | Phycologia | 28: 25 | 1989 |
| Pleurosigma sibericum_('siberica') | (Grunow) Cardinal, Poulin & Berard-Therriault | image |
| Pleurosigma signatum | Voigt | image |
| Pleurosigma simile | Grunow | image |
| Pleurosigma simonsenii | G.R. Hasle in C.R. Tomas (ed.) | Identifying marine diatoms and dinoflagellates: | 282, 339 | 1996 |
| Pleurosigma simonsenii | Hasle | image |
| Pleurosigma simplex | Ricard | image |
| Pleurosigma simulacrum | C.S. Lobban & F. Sterrenburg in Lobban | Phytotaxa | 508: 253, figs. 91-101 | 2021 |
| Pleurosigma simum | (C.G. Ehrenberg) Ralfs | image |
| Pleurosigma sinense var. calcuttense_('calcuttensis') | Grunow | image |
| Pleurosigma sinense_('sinensis') | (C.G. Ehrenberg) Ralfs | image |
| Pleurosigma sinuosum | (C.G. Ehrenberg) Ralfs | image |
| Pleurosigma smithianum | Castracane | image |
| Pleurosigma smithii | Grunow | image |
| Pleurosigma speciosum var. abruptum | H. Peragallo | image |
| Pleurosigma speciosum var. gracile | H. Peragallo | image |
| Pleurosigma speciosum var. javanicum | H. Peragallo | image |
| Pleurosigma speciosum var. majus_('major') | Grunow | image |
| Pleurosigma speciosum var. mediterraneum_('mediterranea') | (Grunow) Cleve | image |
| Pleurosigma speciosum var. pulchrum_('pulchra') | (Grunow) Cleve | image |
| Pleurosigma speciosum var. sumatricum | H. Peragallo | image |
| Pleurosigma speciosum var. tortuosum_('tortuosa') | (Cleve) Cleve | image |
| Pleurosigma speciosum | W. Smith | Ann. & Mag. Nat. Hist., ser. 2, | 9: 6, pl. I: fig. 3 | 1852 |
| Pleurosigma spectabile | Grunow | image |
| Pleurosigma spectrosum | Barkas | image |
| Pleurosigma spenceri var. antillarum | Grunow | image |
| Pleurosigma spenceri var. arnottii | Cleve & Grunow | image |
| Pleurosigma spenceri var. boreale_('borealis') | Grunow | image |
| Pleurosigma spenceri var. curvula | Grunow | image |
| Pleurosigma spenceri var. exile_('exilis') | Grunow | image |
| Pleurosigma spenceri var. kuetzingii | (Grunow) Grunow | image |
| Pleurosigma spenceri var. minutulum_('minutula') | Grunow | image |
| Pleurosigma spenceri var. sinense_('sinensis') | Skvortzov | image |
| Pleurosigma spenceri var. smithii | Grunow | image |
| Pleurosigma spenceri var. subsalinum | H. Peragallo | Diatomiste | 1(suppl.): expl. pl. VIII: figs. 16, 17 | 1891 |
| Pleurosigma spenceri var. tientsinense_('tientsinensis') | Skvortzov | image |
| Pleurosigma spenceri_('spencerii') | (Bailey ex Quekett) W. Smith | Ann. & Mag. Nat. Hist., ser. 2, | 9: 12 | 1852 |
| Pleurosigma spenceri_('spencerii') | W. Smith | image |
| Pleurosigma spinulosum | Pantocsek & Greguss | image |
| Pleurosigma staurolineatum | Karsten | image |
| Pleurosigma staurophorum | Grunow | K. Svenska Vet. Akad. Handl. [ser. 4], | 17{2}: 61, no fig. | 1880 |
| Pleurosigma sterrenburgii | S.R. Stidolph | Nova Hedwigia | 56: 144, figs. 19-25 | 1993 |
| Pleurosigma sterrenburgii | Stidolph | image |
| Pleurosigma stidolphii | F.A.S. Sterrenburg | Bot. Mar. | 34: 568, figs. 38-46 | 1991 |
| Pleurosigma stidolphii | Sterrenburg | image |
| Pleurosigma strigilis | W. Smith | Ann. & Mag. Nat. Hist., ser. 2, | 9: 8, pl. II: fig. 4 | 1852 |
| Pleurosigma strigosum var. convexum | Grunow | image |
| Pleurosigma strigosum var. finmarchicum | (Grunow) Cleve-Euler | image |
| Pleurosigma strigosum var. genuinum | Cleve-Euler | image |
| Pleurosigma strigosum var. incisum | Hagelstein | N.Y. Acad. Sci., Sci. Surv. Porto Rico & Virgin Is. | 8: 414, pl. 9: figs. 8, 9 | 1939 |
| Pleurosigma strigosum var. latum | (Cleve) Cleve-Euler | image |
| Pleurosigma strigosum | W. Smith | Ann. & Mag. Nat. Hist., ser. 2, | 9: 7, pl. I: fig. 6 | 1852 |
| Pleurosigma stuxbergii | Cleve & Grunow | image |
| Pleurosigma stuxbergii var. diminutum_('diminuta') | H. Peragallo | image |
| Pleurosigma stuxbergii var. genuinum | Cleve-Euler | image |
| Pleurosigma stuxbergii var. hyperboreum_('hyperborea') | Grunow | image |
| Pleurosigma stuxbergii var. latiusculum_('latiuscula') | (Peragallo) Cleve | image |
| Pleurosigma stuxbergii var. latiusculum_('latiuscula') | H. Peragallo | image |
| Pleurosigma stuxbergii var. minus_('minor') | Grunow | image |
| Pleurosigma stuxbergii var. minus_('minor') | H. Peragallo | image |
| Pleurosigma stuxbergii var. rhomboides | (Cleve) Cleve | image |
| Pleurosigma subhyalinum | Hustedt & Aleem | image |
| Pleurosigma subrectum | Cleve | image |
| Pleurosigma subrectum | Cleve | image |
| Pleurosigma subrectum | Grunow | image |
| Pleurosigma subrigidum | Grunow | image |
| Pleurosigma subsalinum | H. Peragallo | Diatomiste | 1(suppl.): 24, pl. VIII: figs. 16, 17 | 1891 |
| Pleurosigma subsalsum_('subsalsa') | Wislouch & Kolbe | Zhurn. Mikrobiol. | 3: 267, pl. III: figs. 9-12 | 1917 |
| Pleurosigma subtile | (Brebisson) Ralfs | image |
| Pleurosigma subtilissimum | T. Marsson | Zeitschrift für angewandte Mikroskopie und klinische Chemie | 6: 119 | 1900 |
| Pleurosigma sulcatum | Grunow | image |
| Pleurosigma suluense | Mann | image |
| Pleurosigma tahitianum | Ricard | image |
| Pleurosigma tahitiense | O.N. Witt | image |
| Pleurosigma tenerum | E. Jorgensen | image |
| Pleurosigma tenuiforme | C. H. von Quillfeldt | Diatom Research | 15: 222, figs. 1-7 | 2000 |
| Pleurosigma tenuirostre_('tenuirostris') | Grunow | image |
| Pleurosigma tenuissimum var. hyperboreum_('hyperborea') | Grunow | image |
| Pleurosigma tenuissimum var. subtilissimum_('subtilissima') | Grunow | image |
| Pleurosigma tenuissimum | W. Smith | Syn. Brit. Diat. | 1: 67, pl. XXII: fig. 213 | 1853 |
| Pleurosigma terryanum | H. Peragallo | image |
| Pleurosigma thaitiense | Castracane | image |
| Pleurosigma thumii | (Castracane ex H. Peragallo) De Toni | image |
| Pleurosigma thuringicum | (Kützing) Ralfs | image |
| Pleurosigma tortuosum | Cleve | image |
| Pleurosigma transylvanicum | Pantocsek | image |
| Pleurosigma tropicum | Grunow | image |
| Pleurosigma umbilicatum | Cleve | image |
| Pleurosigma vairaense | Ricard | image |
| Pleurosigma validum | Shadbolt | Trans. Micr. Soc. London ser. 2, | 2: 16, pl. I: fig. 8 | 1854 |
| Pleurosigma validum var. nicobaricum | Grunow | image |
| Pleurosigma vitreum | Cleve | image |
| Pleurosigma wansbeckii | Donkin | image |
| Pleurosigma weissflogii | (Grunow) Cleve | image |
| Pleurosigma wigginsianum | Hendey | Nova Hedwigia | 22: 403, fig. 3 | 1972 |
| Pleurosigma williamsii | G. Reid | Bot. J. Linn. Soc. [London] | 140: 80, figs. 9-17 | 2002 |
| Pleurosigma wormleyi | Sullivant | image |
| Pleurosigma wormleyi | W.S. Sullivant in W.S. Sullivant & T.G. Wormley | Amer. J. Sci. & Arts, ser. 2, | 27: 251, footnote | 1859 |
| PLEUROSIGMAE | Schütt | image |