Crustacea, the Higher Taxa

J.K. Lowry

Stomatopoda (Hoplocarida, Malacostraca)

Description. Head. Rostrum present, articulated; eyes stalked, compound; ocular scale present; nauplius eyes absent. Antennules (antenna 1) triramous; peduncle and flagellum distinct; endopod well developed; exopod well developed, whip-like. Antennae (antenna 2) biramous; exopod with few articles and forming a scaphocerite (antennal scale). Mandible uniramous; palp present, or absent. Maxillipeds, 5 pairs; uniramous; second pair greatly enlarged, raptorial. Thorax. Carapace present, univalved, enclosing head and anterior thoracic somites, dorsoventrally flattened, smooth (sometimes with growth lines). Thorax and abdomen differentiated. Peraeopods: 3 pairs; biramous; non-phyllopodous; undifferentiated. Peraeopod 1 simple. Peraeopod 2 simple. Peraeopod 3 simple. Abdomen. with 6 somites. Pleurae present. Pleopods present, 5 pairs; well developed, broad and flat; pleopod 1 forming a gonopod (eg. petasma) in males. Uropods well developed, 1 pair, positioned laterally; rami present, exopod with diaresis, partial or complete (transverse seam); endopod without statocyst. Telson present (not fused to pleon).

Larval development. Anamorphic. Eggs shed or deposited externally ((either carried in a bundle between the maxillipeds or glued to wall of burrow)).

Family composition. Bathysquillidae Manning, 1967; Coronididae Manning, 1980; Eurysquillidae Manning, 1977; Gonodactylidae Giesbrecht, 1910; Harpiosquillidae Manning, 1980; Hemisquillidae Manning, 1980; Lysiosquillidae Giesbrecht, 1910; Nannosquillidae Manning, 1980; Odontodactylidae Manning, 1980; Protosquillidae Manning, 1980; Pseudosquillidae Manning, 1977; Squillidae Latreille, 1803.

Habitat. Marine, occasionally brackish.

Distribution. Tropical and subtropical seas around the world.

Cite this publication as: Lowry, J.K. (1999 onwards). 'Crustacea, the Higher Taxa: Description, Identification, and Information Retrieval.' Version: 1 January 2000. http://www.crustacea.net/. Dallwitz (1980) and Dallwitz, Paine and Zurcher (1993 onwards, 1998) should also be cited (see References).