Surirella ovata Kutzing

                                                                                                                    
Length: 34

Width: 23

Striae: 20

Wing canal:5 to 6 ribs in 100































Collection 1157

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Authority information


Surirella ovata Kutzing 1844, p. 62, 7/1-3 (7/4) (VanLandingham 1978).



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The valve is heteropolar, narrow to wider ovoid dith bluntly curved ends. The gurtle view is slightly cuneate. The wing is barely developed with almost no wing projection. (Hustedt 1930).




Ecological distribution



Found in lakes, ponds, rivers, springs/ streams, lagoons, pools, thermal springs, swamps, and terrestrially. pH: Acidobiontic, acidophilous, indifferent, alkailphilous, alkalibiontic. Halobion: beta range, indifferent, and halophobous. Current: Renophilous. (Beaver 1981).


Synonyms

    Novilla ovata (Kutzing 1844) Heiberg 1863, p. 101
    Podosphenia oculata Hassall 1845, p. 425
    Licmophora oculata(Hassall 1845) De Toni 1892, p. 739
    Surirella ovalis var. ovata (Kutzing 1844) Van Heurck 1880-1885, p. 188, (73/5-7)
    Surirella ovata f. geunina Kirchner 1878, p. 201
    Surirella balticaShuumann 1867, p. 52, 1/7
    Surirella ovalis var. baltica (Schumann 1867) Cleve-Euler 1952, p. 121, fig. 1565 k-m
    Sur1rella signata Pantocsek 1892, 39/544; Pantocsek 1905, p. 101 Surirella ovalis var. signata (Pantocsek 1892) Cleve-Euler in Backman et Cleve-Euler 1922, p. 39; Cleve-Euler 1932, p. 54, fig. 285
    Surirella ovata var. typica Cleve-Euler 1952, p. 122, fig. 1566 a-c
    Surirella ovata var. ßKutzing 1844, p. 62, 7/4
    Surirella ovata var. aequalisCleve-Euler 1952, p. 122, fig. 1566 e (e. p.)
    Surirella ovata var. genuina(Kirchner 1878) Schell 1883 (according to Hollerbakh et Krasavina 1971, p. 544); Gutwinski 1891, p. 101
    Surirella ovalis var. minuta f. ovata(Kutzing 1844) Mayer 1913, p. 336, 17/18; Mayer 1919, p. 211
    (VanLandingham 1978)


Size ranges and morphology


  • Length is 15 to 70 micrometers (Hustedt 1930)
  • Width is 8 to 23 micrometers (Hustedt 1930)
  • Wing canal has 40 to 70 ribs in 100 micrometers (Hustedt 1930).
  • Striae are 16 to 20 10 micrometers (Hustedt 1930).