Pinnularia brevicostata Cl.




Collection 1790a

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Authority information

Pinnularia brevicosata Cl., Acta Soc. Fauna Fl. Fennica, 8(2):25, pl. 1, fig. 5. 1891(Patrick and Reimer 1966).

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Valve linear with parallel margins, sometimes slightly swollen at the central nodule; ends broadly rounded. (Patrick and Reimer 1966).

  • Type Locality
    Uncertian, Finland (Patrick and Reimer 1966).

  • Synonyms
    Pinnularia brevicosata var. leptostauron Cl., Acta Soc. Fauna Fl. Fennica, 8(2):25. 1891(Patrick and Reimer 1966).

  • Ecology
    Prefers cool water of low mineral content. Found in wide pH range(Patrick and Reimer 1966; Beaver 1981).

    Size ranges and morphology

  • Length is 70 to 135 micrometers (Patrick and Reimer 1966).
  • Width is 12 to 20 micrometers (Patrick and Reimer 1966).
  • Striae are 7 to 10 in 10 micrometers (Patrick and Reimer 1966).