Decaphyllus de Saint Laurent, 1968

McLaughlin, P. A., 2003, Illustrated keys to families and genera of the superfamily Paguroidea (Crustacea: Decapoda: Anomura), with diagnoses of genera of Paguridae, Memoirs of Museum Victoria 60 (1), pp. 111-144 : 121

Decaphyllus de Saint Laurent, 1968

Diagnosis. Gills biserial, 8–10 pairs, no pleurobranchs on somites XI, XII, XIII (thoracomeres 5–7, above pereopods 2–4), arthrobranchs of maxilliped 3 small, vestigial or absent. Ocular acicles simple. Crista dentata reduced, no accessory tooth. Chelipeds subequal in length, but right appreciably stronger. Sternite of somite XII (thoracomere 6, pereopods 3) with subsemicircular or subovate anterior lobe. Pereopod 4 simple, without propodal rasp; no preungual process. Pereopod 5 semichelate. Male with long sexual tube developed on coxa of right pereopod 5, directed from right to left across ventral body surface and curved anteriorly; left with short sexual tube directed from left to right; pleopods 2–5. Female with single gonopore on coxa of left pereopod 3; pleopods 2–5. Telson without lateral indentations; terminal margin entire or with minute median cleft. Type species: Decaphyllus spinicornis de Saint Laurent, 1968 .