Gomphoneis Pseudokunoi Guide
Credit: Pat Kociolek
  1. Valves clavate
  2. Isolated stigmoids, four in the central area
  3. Striae without resolvable areolae

Valves are clavate. The axial area is narrow, straight and has a filiform raphe. The central area is rectangular with four isolated stigmoids. Areolae are typically not resolved in LM.