Surirella elegans Ehrenberg 1841
Length: 195

 Width: 68

 Wing canal:18 ribs in 100

 Striae:fine






























Collection 1407a

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Authority information

Surirella elegans Ehrenberg 1841 (1843), p. 424 (136), 3/1, fig. 22 (VanLandingham 1978).

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The ends are heteropolar from the valve view and cuneate from the gurtle view. The valve view is an ellipsoid, narrow or wide with bluntly rounded poles. Sometimes in longer indeviduals the ends are cuneately narrowed. The wing is narrow with a somewhat vague projection. (Hustedt 1930).



Ecological distribution


Found in lakes, ponds, rivers, pools, thermal springs, and swamps. pH: Acidophilous, indifferent, alkailphilous, alkalibiontic. Halobion: Oligohalobous and indifferent. Current: Limnobiontic. Special habitat: Periphytic. (Beaver 1981).


Synonyms

    Campylodiccus elegans Ralfs in Pritchard 1861, p. 803
    Surirella subalpina Donkin 1869, p. 292, 18/2
    Surirella elegans var. norvegica (Eluenstein 1875 in Schmidt et al. 1874-__) Brun 1888, p. 107, 4/113
    Surirella norvegica Eluenstein 1875 in Schmidt et al. 1874-__ , 21/17
    Surirella elegans var. norvegica f. minor Cleve-Euler 1952, p. 116
    Surirella elegans var. norvegica f. typica Mayer 1913, p. 334, 22/1
    Surirella hyyppaei Molder 1939, p. 21, fig. 6
    Surirella elegans var. genuina Mayer 1913, p. 343, 18/1, 20/3, 5
    Surirella elegans var. subaequalisMayer 1913, p. 343, 20/4
    (VanLandingham 1978).

Size ranges and morphology

  • Length is 110 to 400 micrometers (Krammer and Lange-Bertalot 1988).
  • Width is 35 to 90 micrometers (Krammer and Lange-Bertalot 1988).
  • Wing canal has 12 to 21 ribs in 100 micrometers (Krammer and Lange-Bertalot 1988).