Shell rather solid, a little irregular and triangular, inequivalve, more or less inequilateral, rounded and enlarged before, attenuated and prolonged behind; summits well marked, one projecting behind the other; hinge anomalous, formed by a large, conical, recurved cardinal tooth, with a cavity at its base for the reception of the tooth of the other valve; ligament very small; two muscular impressions little distant.
Corbula Australis.
C. sulcata.
C. erythrodon.
C. ovalina.
C. Taitensis.
C. nucleus.
C. impressa.
C. porcina.
C. semen.