Anomura: Families

P. McLaughlin, S. Ahyong & J.K. Lowry

Common name. Hairy stone crab.

Description. Carapace dorsoventrally flattened, carapace as long as or wider than long; carapace with linea anomurica; outer orbital spines absent; rostrum reduced, or absent. Eye cornea well developed; ocular acicles absent. Antenna 1 flagellum biramous. Maxilliped 3 bases widely separated; crista dentata present; accessory tooth absent; dactylus simple.

Pereopod 1 simple; cheliped equal or subequal. Pereopods 2 to 4 pereopods 2 to 4 all of similar form; 2-4 with basis and ischium fused; dactyli of pereopods 2 to 3 simple. Pereopod 3 shorter than pereopod 2; pereopods 3 dactyli and propodi of right and left similar. Pereopod 4 simple. Sternum partially divided; sternite of pereopod 5 reduced, contiguous with preceding sternite; somite of pereopod 5 not fused with first abdominal somite.

Abdomen reduced, carried under thorax, abdomen with indistinct somites. Epimera (pleura) absent. Male pleopods 3-5 absent; none modified as gonopods. Male with no other sexual modifications; female with no sexual modifications. Uropods present or vestigial, uropods positioned terminally or subterminally, not forming tailfan; rami unmodified. Telson present, entire.

Larval development. Metamorphic.

Superfamily composition. Lomoidea.

Generic composition. Lomis H. Milne-Edwards, 1837.

Habitat. Marine.

Distribution. Australia.

Cite this publication as: ' McLaughlin, P., S. Ahyong & J.K. Lowry (2002 onwards). 'Anomura: Families.' Version: 2 October 2002. https://crustacea.net'.