Stri lineate on the lower part of the valve, punctate on the keel.
Punctate, dotted, either with minute holes or what look as such.
All three shell specimens are edge-incised, and two have punctate designs.
Most of the specimens from the Edwards Plateau have a punctate pattern (Fig. 9).
Valve lanceolate; cost slightly radiate, punctate; median area broad, lanceolate.