Mirapecten, Dall, Bartsch & Rehder, 1938

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 : 201

Key to species of Mirapecten from Australia

1 Shell c. 40 mm high, roundly triangular, thin, posteriorly oblique, lv almost flat, rv inflated, 4–5 distinct unevenly spaced radial plicae (obsolete on some specimens) with variable scales on lv, 7–9 (4 bifurcated) radial plicae with variable scales (or lacking scales) on rv ................................................................................. M. mirificus

—— Shell with nodulous radial plicae .............................................................................................. 2

2 Shell c. 35 mm high, subcircular, radially undulated, weakly inflated, almost equivalve and equilateral, valves with 8–9 nodulous radial plicae, secondary radial riblets in interspaces .................................................... M. moluccensis

—— Shell with evenly spaced radial plicae ...................................................................................... 3

3 Shell c. 40 mm high, subcircular, lv flattened, rv more inflated, almost equivalve and equilateral, valves with 7–9 evenly spaced radial plicae, obsolete or with widely spaced curved scales ................................... M. rastellum