Described as Turquetia integra:
Shell small, moderately solid, rather inflated, nearly equilateral, oblong, higher behind than before, dorsal margin straight, anterior and posterior rounded, ventral slightly sinuated. Colour cream. Umbo inflated, prominent. A slight shallow median sulcus exter nally. Sculpture: fine irregular incremental lines. Hinge, a narrow external ligament, no laterals, a tubercular subumbonal cardinal and socket in each valve Pallial line entire. Height, 3,5, length, 6 ; depth of single valve 1,5 mm. The generic allocation of this species has been a matter of difficulty to me, and I have taken refuge, though not with feelings of security, in Turquetia. This at least corresponds to the extent of having a simple pallial line, no laterals and one cardinal in each valve. Our species is larger and has not the short truncate posterior side of the type. Turquetia was proposed by Velain for a small bivalve from St. Paul Island in the Indian Ocean. Its hinge was more fully explained by Bernard.

Tasman Sea.