Pseudofallacia Monoculata Guide
Credit: Ian Bishop
  1. Valves lanceolate to elliptic
  2. Conopeum asymmetric at valve center
  3. Raphe curved
  4. Striae radiate

Valves are lanceolate to elliptic, with broadly rounded ends. The raphe is curved slightly, with unilaterally deflected proximal raphe ends. Striae are radiate throughout. A conopeum is present, expanded and slightly asymmetric at the center of the valve.