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Guide to Craticula riparia

(Hust.) Lange-Bert. 1993

Craticula Riparia Guide
Credit: David Burge, Ian Bishop
  1. Valves slender, lanceolate
  2. Apices rostrate to subcapitate
  3. Striae parallel to convergent

Valves are slender and lanceolate, with rostrate to subcapitate apices. Striae are parallel in the center of valve becoming convergent at the ends.