Pinnularia brebissonii (Kutz.) Rabh.
Length:38

 Width:9

 Striae:13.5






























Collection 811

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Pinnularia brebissonii (Kutz.) Rabh., Fl. Europaea Alg., sect. 1, p. 222. 1864(Patrick and Reimer 1966).

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This image was taken utilizing DIC for the specimen above.




This image is the specimen above at an additional 200% zoom.


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Valve linear-elliptical, gradually narrowing to round ends. Axial area narrow, distinct; gradually widening toward the central area which is a transverse fascia. Terminal fissures of the raphe intermediate between "bayonet" and "comma" shapes(Patrick and Reimer 1966).


  • Type Locality
    In sussem Wasser Falaise: De Brebisson(Patrick and Reimer 1966).

  • Synonyms
    Navicula brebissonii Kutz., Bacill., p. 93, pl.3, fig. 49; pl. 30, fig. 39. 1844(Patrick and Reimer 1966).
    Pinnularia stauroneiformis W. Sm., Syn. British Diat., vol. 1, p. 57, pl. 19, fig. 178. 1853(Patrick and Reimer 1966).
    Pinnularia microstauron var. brebissonii (Kutz.) Hust. in Pasch., Sussw.-Fl. Mittel-europas, Heft 10, Aufl. 2, p. 321, fig. 584. 1930(Patrick and Reimer 1966).
  • Ecology
    This taxon seems to prefer cool waters of low mineral content. It is found in a wide range of pH levels, in numerous habitats(Patrick and Reimer 1966; Beaver 1981).

    Size ranges and morphology

  • Length is 40 to 60 micrometers (Patrick and Reimer 1966).
  • Width is 9 to 11 micrometers (Patrick and Reimer 1966).
  • Striae are 10 to 14 in 10 micrometers (Patrick and Reimer 1966).