Diatoms of North AmericaDiatoms of North America
Return to overview

Guide to Ellerbeckia arenaria

(Moore ex Ralfs) R.M.Crawford 1988

Ellerbeckia Arenaria Guide
Credit: Loren Bahls
  1. Frustules robust and drum-shaped
  2. Frustules joined in colonies
  3. Ridges and grooves on linking valves extend to valve margin

Ellerbeckia arenaria has robust, drum-shaped frustules that are linked by their valve faces to form long filamentous colonies. The interlocking ridges and grooves on linking valves extend to the valve margin.