Surirella suecica Grun.
Length: 21

 Width: 7.5






























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Authority information

Surirella suecica Grunow in Van Heurck 1881, 73/19 (VanLandingham 1978).

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The valve is strongly heteropolar, outright oval with sides slightly convex to nearly straight. One pole is wide the other is narrow and peaked roundly. The gurtle view is blunt and rounded on one side and flattened on the other. The wing canal is outright and easily visible. (Krammer and Lange-Bertalot 1988).


Synonyms

    Surirella suecicav. grunowiCleve-Euler 1952, p. 113, fig. 1543 a
    Surirella suecicav. grunowif. pusilla Cleve-Euler 1952, p. 113, fig. 1543 b
(VanLandingham 1978)

Size ranges and morphology

  • Length is 22 to 38 to 150 micrometers (Krammer and Lange-Bertalot 1988).
  • Width is 8 to 12 micrometers (Krammer and Lange-Bertalot 1988).
  • Striae 32 to 37 in 10 micrometers (Krammer and Lange-Bertalot 1988).
  • Wing canal 85 to 100 ribs in 100 micrometers (Krammer and Lange-Bertalot 1988).