Pinnularia leptosoma (Grunow) Cleve




Collection 1550

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Pinnularia leptosoma (Grunow) Cleve 1895 (Krammer and Lange-Bertalot (2/1) 1986).

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This image was taken with an additional 40% magnification.

This image was taken with the additional magnification and utilizing DIC.

This image was taken with same settings as above, at a different focus.

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Valve linear with. Broad becoming smaller towards the ends, somewhat rounded. Raphe fissure partially in proximal area, strongly bent. Ends of fissure are large and question mark shaped. Central area asymetrical(Krammer and Lange-Bertalot (2/1) 1986).

  • Synonyms
    Caloneis leptosoma (Grunow) Krammer 1985 (Krammer and Lange-Bertalot (2/1) 1986).
    Navicula leptosoma Grunow in Van Heurck 1880(Krammer and Lange-Bertalot (2/1) 1986).

  • Ecology
    Cosmopolitan. Found in tropics, mountain springs. Found in single specimens(Krammer and Lange-Bertalot (2/1) 1986).

    Size ranges and morphology

  • Length is 22 to 54 micrometers (Krammer and Lange-Bertalot (2/1) 1986).
  • Width is 4 to 8 micrometers (Krammer and Lange-Bertalot (2/1) 1986).
  • Striae are 14 to 17 in 10 micrometers (Krammer and Lange-Bertalot (2/1) 1986).