Illustrated keys to families and genera of the superfamily Paguroidea (Crustacea: Decapoda: Anomura), with diagnoses of genera of Paguridae McLaughlin, P. A. Memoirs of Museum Victoria 2003 2003-12-31 60 1 111 144 B3JNN de Saint Laurent-Dechance, 1966 de Saint Laurent-Dechance 1966 [139,626,1037,1059] Malacostraca Paguridae Iridopagurus GBIF Animalia Decapoda 12 123 Arthropoda genus   Diagnosis.Gills quadriserial, 11 pairs. Rostrum as broadly rounded or very obtusely triangular lobe. Ocular acicles simple. Crista dentata without accessory tooth. Chelipeds subequal. Sternite of somite XII (thoracomere 6, pereopods 3) with subsemicircular to subrectangular anterior lobe. Pereopod 4 simple; propodal rasp with 1 row of corneous scales; preungual process present or absent. Male with long, coiled sexual tube on coxa of left pereopod 5; tube development on right coxa varying from simple papilla to short sexual tube; pleopods 3–5. Female with pleopods 2–5. Telson with terminal margins usually straight. Typespecies:  Spiropagurus irisA. Milne-Edwards and Bouvier, 1893.