Aneumastus Minor Guide
Credit: Loren Bahls
  1. Valves elliptic to broadly lanceolate
  2. Apices acute, with blunt ends

Aneumastus minor has small elliptic, to broadly lanceolate, valves. Valve length is less than 35 ┬Ám. Apices are acute with either unprotracted or weakly protracted blunt ends.