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Guide to Amphora calumetica

(B.W.Thomas ex Wolle) Perag. 1897

Amphora Calumetica Guide
Credit: David Burge
  1. Valves semi-lanceolate
  2. Dorsal crest
  3. Apices deflexed

Valves are semi-lanceolate, with ventrally deflexed apices. A prominent dorsal crest is present.