Surirella robusta var. splendida (Ehrenberg) Van Heurck 1885
Length: 170

 Width: 46

 Wing canal:17 ribs in 100






























Collection 1157a

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Authority information

Surirella robusta var. splendida (Ehrenberg 1832, Ehrenberg 1838) Van Heurck 1885, p. 187 (VanLandingham 1978).

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In all cases this variety is smaller and more delicate than the nominant but overlaa it's combinations and specific characteristics are sufficient to keep it seperate from the nominant. (The nominant is heteropolar with apical ends, ovoid to ellipsoid with blunt circular ends. The gurtle view is wedge-shaped with blunt circular ends. The wing is strongly developed with an outright wing projection.) (Hustedt 1930).



Ecological distribution


Found in lakes, ponds, springs/ streams, and pools pH: Acidophilous, indifferent, and alkailphilous. (Beaver 1981).


Synonyms

    Navicula splendida Ehrenberg 1831 (1832), p. 81; Ehrenberg 1833, p. 259; Ehrenberg 1838, p. 186, 14/1
    Novilla splendida (Ehrenberg1832) Cleve 1868, p. 232
    Surirella splendida (Ehrenberg 1832),Kutzing 1844, p. 62 7/9
    Surirella ovalis var. fissilisM. Peragallo in Heribaud et al. 1920, p. 96, 3/6
    Surirella robusta var. splendida f. typica Cleve-Euler 1952, p. 104, fig. 1524 h
    Surirella splendida var. genuinaMayer 1912, p. 338, 19/1, 20/1, 2
    (VanLandingham 1978).

Size ranges and morphology

  • Length is 75 to 250 micrometers (Hustedt 1930).
  • Width is 40 to 60 micrometers (Hustedt 1930).
  • Wing canal is12 to 25 ribs in 100 micrometers(Hustedt 1930).