Orthopagurus Stevens, 1927

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 : 124

Orthopagurus Stevens, 1927

Diagnosis. Gills biserial, 11 pairs. Rostrum prominent. Ocular acicles simple. Crista dentata with 1 accessory tooth. Chelipeds unequal, right considerably larger, suboperculate. Sternite of somite XII (thoracomere 6, pereopods 3) with subovate anteri- or lobe. Pereopod 4 semichelate; propodal rasp with several rows of corneous scales; no preungual process. Male with pleopods 3–5. Female with pleopods 2–5. Abdomen straight or slightly flexed; tergites chitinous, usually in form of lateral plates, tergite of somite 5 entire; tergite of somite 6 strongly calcified. Telson with terminal margins straight. Type species: Pagurus minimus Holmes, 1900 .