1. Species Pleurosigma aestuarii (Brébisson ex Kützing) W.Smith, 1853
2. Species Pleurosigma decorum W.Smith, 1853
3. Species Pleurosigma elongatum W.Smith, 1852
4. Species Pleurosigma formosum W.Smith, 1852
5. Species Pleurosigma intermedium W.Smith, 1853
6. Species Pleurosigma normanii Ralfs, 1861
7. Species Pleurosigma spencerii Grunow
8. Species Pleurosigma strigosum W.Smith, 1852
9. Species Pleurosigma stuxbergii Cleve & Grunow, 1880
10. Species Pleurosigma allenuatum accepted as Pleurosigma attenuatum (Kützing) W.Smith, 1852 accepted as Gyrosigma attenuatum (Kützing) Rabenhorst, 1853 (spelling mistake)
11. Species Pleurosigma attenuatum (Kützing) W.Smith, 1852 accepted as Gyrosigma attenuatum (Kützing) Rabenhorst, 1853 (synonym)
12. Species Pleurosigma balticum (Ehrenberg) W.Smith, 1852 accepted as Gyrosigma balticum (Ehrenberg) Rabenhorst, 1853 (synonym)
13. Species Pleurosigma distortum W.Smith, 1852 accepted as Gyrosigma distortum (W.Smith) Griffith & Henfrey, 1856 accepted as Pleurosigma distortum var. distortum W. Smith, 1852 (synonym)
14. Species Pleurosigma fasciola (Ehrenberg) W.Smith, 1852 accepted as Gyrosigma fasciola (Ehrenberg) J.W.Griffith & Henfrey, 1856 accepted as Ceratoneis fasciola Ehrenberg, 1839 (synonym)
15. Species Pleurosigma littorale W.Smith, 1852 accepted as Gyrosigma littorale (W.Smith) Griffith & Henfrey, 1856 accepted as Pleurosigma littorale var. littorale W. Smith, 1852 (synonym)
16. Species Pleurosigma prolongatum W.Smith, 1852 accepted as Gyrosigma prolongatum (W.Smith) J.W.Griffith & Henfrey, 1856 accepted as Pleurosigma prolongatum var. prolongatum W. Smith, 1852 (synonym)
17. Species Pleurosigma strigilis W.Smith, 1852 accepted as Gyrosigma strigilis (W.Smith) J.W.Griffin & Henfrey, 1856 accepted as Pleurosigma strigilis f. strigilis W. Smith, 1852 (synonym)
18. Species Pleurosigma tenuissimum W.Smith, 1853 accepted as Gyrosigma tenuissimum (W.Smith) Griffith & Henfrey, 1856 accepted as Pleurosigma tenuissimum var. tenuissimum W. Smith, 1853 (synonym)
19. Species Pleurosigma angulatum (Queckett) W.Smith, 1852 (uncertain > unassessed)
20. Species Pleurosigma carinatum Donkin, 1858 (uncertain > unassessed)
21. Species Pleurosigma siberica (Grunow) Cardinal, Poulin & Berard-Therriault, 1980 (uncertain > unassessed)
22. Species Pleurosigma vitrea (uncertain > unassessed)
23. Species Pleurosigma wormleyi W.S.Sullivant, 1859 (uncertain > unassessed)

marine, brackish, fresh

Smith, W. (1852). Notes on the Diatomaceae with descriptions of British Species included in the genus Pleurosigma. Annals and Magazine of Natural History, 2nd series,, 9: 1-12, 2 pls. [details] 

Kociolek, J.P.; Blanco, S.; Coste, M.; Ector, L.; Liu, Y.; Karthick, B.; Kulikovskiy, M.; Lundholm, N.; Ludwig, T.; Potapova, M.; Rimet, F.; Sabbe, K.; Sala, S.; Sar, E.; Taylor, J.; Van de Vijver, B.; Wetzel, C.E.; Williams, D.M.; Witkowski, A.; Witkowski, J. (2025). DiatomBase. Pleurosigma W. Smith, 1852. Accessed through: Nozères, C., Kennedy, M.K. (Eds.) (2025) Canadian Register of Marine Species at: https://www.marinespecies.org/carms/aphia.php?p=taxdetails&id=149181 on 2025-05-04

Nozères, C., Kennedy, M.K. (Eds.) (2025). Canadian Register of Marine Species. Pleurosigma W. Smith, 1852. Accessed at: https://www.marinespecies.org/CaRMS/aphia.php?p=taxdetails&id=149181 on 2025-05-04

[taxonomic tree]