Diatoms of North AmericaDiatoms of North America
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Guide to Encyonopsis perborealis

Krammer 1997

Encyonopsis Perborealis Guide
  1. Valves lanceolate
  2. Apices subrostrate to subcapitate
  3. Striae 26-30 in 10 µm
  4. Central area small
  5. Valves <20 µm long

Valves are lanceolate and less than 20 µm long. Apices are subrostrate to subcapitate. Striae number 26-30 in 10 µm. The central area is small.