FIGURE 23. Cryptoplax sykesi Thiele, 1909 A in Late Pleistocene Red Sea Mollusca: 1. Polyplacophora

FIGURE 23. Cryptoplax sykesi Thiele, 1909 A. Erythrea, Massawa North, Abd-el-Cader, 2 tail valves figured by Selli (1973: pl. 11, figs 8-9). B. ZMHU, ZMB Moll 102.074., Lectotype, fourth valve, Red Sea, "Gimsah-Bay", dorsal view. C–D. Erythrea, Massawa South (AGIP Exp.), MZB 000930. C. Intermediate valve, width 1.6 mm, dorsal view. D. Original label. E–G, J–O. Egypt, Hurghada (St. 13), Late Pleistocene (last interglacial MIS5e). E–G. 50565a, intermediate valve, width 3 mm, dorsal view, detail of tegmentum surface and lateral view. J–K. 50565b, intermediate valve, width 3 mm, dorsal and lateral views. L–O. 50565c, tail valve, width 2.4 mm, dorsal view, detail of tegmentum surface of latero-pleural area, ventral and lateral views. H–I. Saudi Arabia, Gulf of Aqaba, Ash Shaykh Humayd (St. 8), Late Pleistocene (last interglacial MIS5e), MZB 50566, intermediate valve, width 2.5 mm, dorsal and ventral views. Scale bar: 100 µm (F, M).