Anomura: Families

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

Albuneidae Stimpson, 1858

Common name. Sand crabs.

Description. Carapace subquadrate, carapace longer than wide; carapace with linea anomurica; outer orbital spines absent; rostrum reduced. Eye cornea reduced, or absent; ocular acicles absent. Antenna 1 flagellum biramous. Maxilliped 3 bases widely separated; crista dentata absent; dactylus simple.

Pereopod 1 simple, or subchelate; cheliped equal or subequal. Pereopods 2 to 4 pereopods 2 to 4 all of similar form; 2-4 with basis and ischium not fused; dactyli of pereopods 2 to 3 curved and flattened. Pereopod 3 about the same length as pereopod 2; pereopods 3 dactyli and propodi of right and left similar. Pereopod 4 simple. Sternum completely divided; sternite of pereopod 5 reduced, widely separated from preceding sternite; somite of pereopod 5 not fused with first abdominal somite.

Abdomen well developed, carried under thorax, abdomen with distinct somites. Epimera (pleura) present. Male pleopods 3-5 paired; none modified as gonopods. Male with no other sexual modifications, or with indications of female gonopores; female with no sexual modifications, or also with indications of male gonopores. Uropods present, uropods positioned ventrolaterally, not forming tailfan; rami unmodified. Telson present, entire.

Larval development. Metamorphic.

Superfamily composition. Hippoidea.

Generic composition. Albunea Fabricus, 1793; Austrolepidopa Efford & Haig, 1968; Blepharopoda Randall, 1839; Lepipoda Stimpson, 1858; Lophomastix Benedict; 1904; Paralbunea Seréne, 1979; Stemonopa Efford & Haig, 1968; Zygopoda;.

Habitat. Marine.

Distribution. Worldwide except Arctic and Antarctic.

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