Pinnularia substomatophora Hust.




Collection 1781a

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Pinnularia substomatophora Hust. in A. S. Atlas Diat., pl. 392, fig. 14. 1934. Arch. Hydrobiol. Suppl., 14:160, pl. 2, fig. 14. 1935(Patrick and Reimer 1966)

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This taxon has linear valve or slightly swollen sides and rounded ends. It is distinguished from P. stomatophora by the lack of the characteristic markings in the central area and the more strongly divergent and convergent striae. . (Patrick and Reimer 1966).
  • Type Locality (Patrick and Reimer 1966)
    Sumatra, Kieselgur vom Tobasee
  • Ecology
    Found in cool, slightly acidic water of low mineral content, in lakes or bogs.(Patrick and Reimer 1966)

    Size ranges and morphology

  • Length is 55 to 65 micrometers (Patrick and Reimer 1966).
  • Width is 8 to 9 micrometers (Patrick and Reimer 1966).
  • Striae are 11 to 13 in 10 micrometers (Patrick and Reimer 1966).