Mimachlamys Iredale, 1929

Dijkstra, Henk H. & Beu, Alan G., 2018, Living Scallops of Australia and Adjacent Waters (Mollusca: Bivalvia: Pectinoidea: Propeamussiidae, Cyclochlamydidae and Pectinidae), Records of the Australian Museum (Rec. Aust. Mus.) 70 (2), pp. 113-330 : 275

Mimachlamys Iredale, 1929

Mimachlamys Iredale, 1929: 162 . Type species (by original designation): Pecten asperrimus Lamarck, 1819 . Recent, southwestern, southern and southeastern Australia.

Diagnosis. Medium-sized to large, byssate Mimachlamydini with chlamydoid shape, auricles highly unequal; a primitive hinge type with prominent resilial and dorsal teeth; macrosculpture of evenly spaced, undivided, solid radial plicae in most species, bearing spines, flanked with secondary costellae; antimarginal and/or divaricated interstitial microsculpture; byssal notch deep, ctenolium well-developed.

Distribution. Eocene–Recent ( Waller, 1991: 32). Indo-West Pacific and eastern Atlantic, living in the intertidal to sublittoral zones, byssally attached to rocks or coral and amongst rubble.

Discussion. Hertlein (1969: N355) placed Mimachlamys in the synonymy of Chlamys Röding, 1798 , as did Vaught (1989: 118). Waller (1991: 31; 1993: 200) established the morphological differences between Mimachlamys and Chlamys , and placed the former genus in Mimachlamydini .