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Guide to Ctenophora pulchella

(Ralfs ex Kütz.) D.M.Williams and Round 1986

Ctenophora Pulchella Guide
Credit: Kenneth Justin Jones
  1. Valves linear, elongate
  2. Distinct fascia
  3. Rimoportula present at each pole
  4. Punctate striae

Valves are elongate. The central area has a thickened, dome-like silicicious fascia and ghost striae may be present. Each pole has a rimoportula positioned near the axial area, positioned diagonally to the apical axis.