Pinnularia microstauron f. biundulata (Muller) Hustedt
Length:40.5

 Width:10

 Striae:13






























Collection 1788

 Other images

 More information



Return to Top Page Return to Genera List Return to Species List

Authority information

Pinnularia microstauron f. binndulata (Muller) Hustedt 1930, p. 320, fig. 583(VanLandingham, S. L. 1971).

Other images



This image was taken utilizing DIC.


More information


Valve linear with somewhat rostrate, wedge-shaped ends, or liear-elliptical with rounded ends. Axial area narrow. Central area a broad, transverse fascia. Striae radiate toward the middle of the valve, strongly convergent at the ends(Patrick and Reimer 1966).


  • Type Locality

  • Synonyms

  • Ecology

    Size ranges and morphology

  • Length is 12 to 22 micrometers (Patrick and Reimer 1966).
  • Width is 3 to 5 micrometers (Patrick and Reimer 1966).
  • Striae are 13 to 15 in 10 micrometers (Patrick and Reimer 1966).