punctate

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 semicircular, with obtuse apices; stri transverse, punctate; terminal nodules minute and indistinct.

Valve lanceolate; cost slightly radiate, punctate; median area broad, lanceolate.

Valve elliptical-lanceolate, obtuse at the apices; pseudoraphe indistinct; stri, 17 in 10 , punctate.

Axial area absent on the dorsal side; dorsal stri, 10 in 10 , punctate.

Ventral part hyaline except at the ends, which are obliquely striated, with short, punctate lines.

Valve elongated, asymmetrical with respect to the transverse axis; stri transverse, usually radiate, punctate.