Leperditella
Similar to Aparchites, but the left valve is larger and has a groove within its ventral border into which the simple edge of the right valve is received. A more or less obscure broad depression is generally present in the central part of the dorsal half. Length 1 to 3 mm (Bassler and Kellett, 1934).
Species
Leperditella glabra (Ulrich, 1890)
Occurrence: Whitewater
Reference: Dalvé, 1948; Bassler and Kellett, 1934
Originally named Primitia glabra
Leperditella sp. aff L. tumida (Ulrich, 1892)
Occurrence: Clays Ferry
Reference: Warshauer and Berdan, 1982; Bassler and Kellett, 1934
Originally named Leperditia tumida
Leperditella? perplexa Warshauer and Berdan, 1982
Occurrence: Clays Ferry
Reference: Warshauer and Berdan, 1982