Crustacea, the Higher Taxa

J.K. Lowry


Description. Head. Frontal filaments present, Rostrum absent; eyes absent; eyes ocular scale absent; eyes naupliar eyes absent. Antennules (antenna 1) biramous; peduncle and flagellum distinct; endopod well developed; exopod well developed, whip-like. Antennae (antenna 2) biramous; exopod forming a scaphocerite. Mandible uniramous; palp absent. Maxillipeds, 1 pair; uniramous. Thorax. Carapace absent. Thorax and abdomen undifferentiated, with 10-32 pairs of appendages; biramous; peraeopods (legs) non-phyllopodous. Uropods well developed, 1 pair, positioned terminally or subterminally; rami absent; subrectangular to subquadrate. Telson absent (anal segment present).

Habitat. Anchialine caves.

Remarks. There is a fossil order known as the Enantiopoda.

Distribution. Bahaman Archipelago, Canary Islands, Cuba, eastern Mexico, Atlantic Ocean; north-western Australia, Indian Ocean.

Cite this publication as: Lowry, J.K. (1999 onwards). 'Crustacea, the Higher Taxa: Description, Identification, and Information Retrieval.' Version: 2 October 1999.