Alainopagurus Lemaitre and McLaughlin, 1995

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 : 119

Alainopagurus Lemaitre and McLaughlin, 1995

Diagnosis. Gills biserial, 11 pairs. Anterior carapace vaulted and generally well calcified, with anterolateral regions distinctly globular. Ocular acicles multispinose. Crista dentata with 1 accessory tooth. Right cheliped stronger, but not markedly longer. Sternite of somite XII (thoracomere 6, pereopods 3) with narrow, transverse anterior lobe. Pereopod 4 subchelate, propodal rasp with 1 row of corneous spines; no preungual process. Pereopod 5 subchelate. Male with stout, moderate sexual tubes of approximately equal length on coxae of both pereopods 5, each with long setae mesially and terminally; no unpaired pleopods. Female with single gonopore opening posteriorly on coxa of left pereopod 3; pleopods 2–4 only. Abdomen reduced; tergal plate of somite 2 weakly delineated; tergal plates of somites 3–5 clearly defined, chitinous or very weakly calcified. Uropods symmetrical. Telson with terminal margin entire. Type species: Alainopagurus crosnieri Lemaitre and McLaughlin, 1995 .