Anchistus custoides Bruce 1977

Anchistus custoides Bruce, 1977

Anchistus custoides Bruce, 1977a:50, figs. 4–6 [type locality: N.W. end Gillett Cay (Swain Reefs), Queensland, Australia; 21°43′S, 152°25′E; from Atrina vexillum, not “West Cay, Diamond Islets,” as erroneously cited in Bruce (1977a:55)]; 1983c:892.

DIAGNOSIS.—Rostrum apically rounded, bearing 4–6 minute and obscure teeth on dorsal and anterior margins, unarmed ventrally; carapace with distinct antennal spine below ventral orbital angle; 3rd maxilliped with antepenultimate segment about twice as wide as penultimate segment; 1st pereopod with chela normal, not cannulate; 3rd pereopod with dactyl simple, not biunguiculate; maximum postorbital carapace length about 9 mm.

RANGE.—Palau Islands, Indonesia, and Great Barrier Reef of Australia; associated with bivalves, Atrina and Pteria.