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Guide to Eunotia microcephala

Krasske 1932

Eunotia Microcephala Guide
Credit: Paula Furey
  1. Ventral margin weakly concave
  2. Dorsal margin with central undulation
  3. Apices capitate to subcapitate

Ventral margins are weakly concave, with two slight swellings marking the position of the proximal raphe ends. Dorsal margins are irregular andly weakly triundulate, with the central undulation being most prominent. Valve ends are protracted and capitate to subcapitate. Helictoglossae are located close to the apices. The raphe extends in a short curve on to the valve face.