Peracarida


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Peracarida

[‚per·ə′kar·ə·də]
(invertebrate zoology)
A superorder of the Eumalacostraca; these crustaceans have the first thoracic segment united with the head, the cephalothorax usually larger than the abdomen, and some thoracic segments free from the carapace.
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References in periodicals archive ?
The class Malacostraca includes the superorders Pancarida (order Thermosbaenacea), Peracarida (orders Mysidacea, Amphipoda, and Isopoda), and Eucarida (order Decapoda) (Covich & Thorp 1991).