Cryptodromia tumida Stimpson, 1858

Cryptodromia tumida Stimpson, 1858: 240; 1907: 175.— Ortmann, 1892: 544.—De Man, 1902: 688.— Ihle, 1913: 37, text figs 11–17.— Montgomery, 1931: 413, pl. 29 figs 4, 4a.— Sakai, 1976: 13, text figs 4a–c.— McLay, 1993: 199 (key).— Davie, 2002: 160.— Poore, 2004: 304.

Material examined. Western Australia: WAM C13552, NW of Bluff Point, Geraldton, 97 m , CSIRO stat 204, 27°18’S, 113°16’E, 9-10-1963, dredged, with sponge, starfish: female 9.3 × 9.5 mm (damaged) .

Remarks. The carapace is about as wide as long, smooth, strongly domed, and abruptly convex behind frontal margin which resembles C. tuberculata; the rostral and anterolateral teeth are blunt. Cryptodromia tumida has been reported by Montgomery (1931) from shore collections on the Abrolhos Islands.

Distribution. Japan, Indonesia, New Guinea and Western Australia; intertidal down to 97 m.