''Eucocconeis'' is a genus of diatoms belonging to the family Achnanthidiaceae.
The genus was species description, first described by Cleve ex F. Meister in 1912.
Species:
* ''Eucocconeis alpestris'' (Brun) H. Lange-Bertalot
* ''Eucocconeis aretasii'' (E. Manguin) H. Lange-Bertalot
* ''Eucocconeis austriaca'' (Hustedt) H. Lange-Bertalot
* ''Eucocconeis depressa'' (Cleve) H. Lange-Bertalot
* ''Eucocconeis diluviana'' (Hustedt) H. Lange-Bertalot
* ''Eucocconeis dorogostaisky'' (Jasnitsky) Sheshukova-Poretzkaya
* ''Eucocconeis flexella'' (Kützing) Meister, 1912
* ''Eucocconeis laevis'' (Østrup) H. Lange-Bertalot
* ''Eucocconeis lapponica'' Hustedt, 1924
* ''Eucocconeis leptostriata'' H. Lange-Bertalot
* ''Eucocconeis ninckei'' (P. Guermeur & E. Manguin) H. Lange-Bertalot
* ''Eucocconeis onegensis'' Wislouch & Kolbe, 1916
* ''Eucocconeis poretzkyi'' (Jasnitsky) Sheshukova-Poretzkaya
* ''Eucocconeis quadratarea'' (Østrup) H. Lange-Bertalot, 1999
References
Achnanthales
Diatom genera
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