Scoliopleura Peisonis Guide
Credit: Loren Bahls
  1. Valves elliptic-lanceolate to linear-lanceolate
  2. Valves slightly twisted
  3. Longitudinal canals present
  4. Proximal raphe ends hooked in opposite directions

Valves are elliptic-lanceolate to linear-lanceolate, slightly twisted about the apical axis. The proximal ends hook in opposite directions. Longitudinal canals are distinct and positioned next to the axial area.