Sellaphora pupulav rectangularis Mann
Length:28

 Width :8

 Striae:24-26






























Collection 1109a

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Sellaphora pupulav. rectangularis Mann, D. G. The diatom genus Sellaphora: seperation from Navicula. Br. Phycol. J. 24:1-20 (Mann, D. G. 1989).

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This taxon has a linear valve that is slightly swollen in the middle. The ends are broadly rounded and the striae are the same as in the nominate variety (Patrick and Reimer 1966).




  • Synonyms
    Stauroneis rectangularis Greg., Quart. Jour. Micr. Sci., 2:99, pl. 4, fig. 17. 1854 (Patrick and Reimer 1966).
    Navicula pupulavar.rectangularis (Greg.) Grun. in Cl. & Grun., K. Svenska Vet.-Akad. Handl., Ny Goljd, 17(2):45. 1880 (Patrick and Reimer 1966).
    Navicula pupula var. bacillaroides Grun. inCl. & Grun., K. Svenska Vet.-Akad. Handl., Ny Foljd, 17(2):45. 1880 (Patrick and Reimer 1966).


  • Ecology
    This taxon prefers water with a higher mineral content than the nominate variety does and it has been found in salt bogs (Patrick and Reimer 1966).

    Size ranges and morphology

  • Length is 20 to 40 micrometers (Patrick and Reimer 1966).
  • Width is 7 to 11 micrometers (Patrick and Reimer 1966).
  • Striae are 13 to 17 in 10 micrometers (Patrick and Reimer 1966).