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Guide to Skabitschewskia peragalloi

(Brun and Hérib.) Kulikovskiy and Lange-Bert. in Kulikovskiy, Lange-Bert. and Kuznetsova 2015

Skabitschewskia Peragalloi Guide
  1. Valve apices subrostrate to subcapitate
  2. Rapheless valve with wide cavum
  3. Raphe valve with bowtie-shaped central area
  4. Striae much denser of raphe valve than on rapheless valve

Valves are elliptic-lanceolate with subrostrate to subcapitate apices. The raphe valve has a wide, bowtie-shaped central area. The striae on the raphe valve are strongly radiate, much denser than striae on rapheless valve. The rapheless valve has a wide cavum.