Diatoms of North AmericaDiatoms of North America
Return to overview

Guide to Cavinula jaernefeltii

(Hust.) D.G.Mann and A.J.Stickle 1990

Cavinula Jaernefeldtii2 Guide
  1. Valves elliptic
  2. Short striae interspersed
  3. Proximal raphe ends widely spaced
  4. Striae radiate at the apices

Valves are elliptic. A few shortened striae are interspersed with longer striae. Striae are very slightly radiate at mid-valve, becoming strongly radiate at the apices.