Diacanthurus McLaughlin and Forest, 1997

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

Diacanthurus McLaughlin and Forest, 1997

Diagnosis. Gills biserial, 11 pairs. Rostrum obsolete or as broadly rounded lobe. Ocular acicles simple. Crista dentata with 1 accessory tooth. Chelipeds unequal; left cheliped with some degree of clockwise rotation of propodal-carpal articulation, dorsolateral margin of chela weakly to strongly inflated proximally. Sternite of somite XII (thoracomere 6, pereopods 3) with subsemicircular anterior lobe. Pereopod 4 semichelate; propodal rasp with several rows of corneous scales; no preungual process. Male with pleopods 3–5. Females with pleopods 2–5. Telson with posterior lobes each contoured as "half-moon"; blade-like lateral margin and acute terminal angle broadly separated by U-shaped median cleft, inner margins each with 1 prominent spine in basal half. Type species: Eupagurus spinulimanus Miers, 1876 .