Crustacea, the Higher Taxa

J.K. Lowry

Stomatopoda (Hoplocarida, Malacostraca)

Common name. Mantis Shrimps.

Description. Head. Rostrum present; head. articulated; eyes stalked; compound, visual elements present; ocular scale present; naupliar eyes absent. Antennules (antenna 1) triramous; peduncle and flagellum distinct; endopod well developed; exopod well developed, whip-like. Antennae (antenna 2) biramous; exopod multiarticulate and exopod forming a scaphocerite. 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. Thorax and abdomen differentiated. Peraeopods (legs) 3 pairs; biramous; non-phyllopodous; undifferentiated (simple). Peraeopod 1 (leg 1) simple. Peraeopod 2 (leg 2) simple. Peraeopod 3 (leg 3) simple. Abdomen with 6 somites. Epimera 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 ventrolaterally; rami present, exopod with diaresis, partial or complete; 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).

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: 2 October 1999.