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.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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Like other peracarid crustaceans, including the Gammaridea and Isopoda, adult Caprellidea females have a brood pouch on their thoracic segments into which eggs are released.
This can also be applied to shallow water inhabitants of the dry episodes formed by small juvenile teleostean fishes, carid shrimps (Delclosia), peracarid spelaeogriphaceans and astacid decapods (Austropotamobius) together with the presence of the aquatic angiosperm Montsechia.
Discrete seasonal reproduction in an abyssal peracarid crustacean.
Isopods and amphipods (peracarid crustaceans) are shredders that are commonly found in streams throughout the United States that receive significant levels of CPOM.
Peracarid crustaceans from three inlets in the southwestern Gulf of Mexico: new records and range extensions.
Furthermore, because peracarid crustaceans that live close to the sandy shoreline dominated the foregut contents (Kamihira, 1979; Takahashi and Kawaguchi, 1995; authors' pers.
Marine algae and seagrasses harbor diverse assemblages of small, mobile invertebrates dominated by peracarid crustaceans, gastropod mollusks, and polychaete worms (Colman 1940, Wieser 1952, Nagle 1968, Mukai 1971, Choat and Kingett 1982, Edgar 1983a, b, c, d, Dean and Connell 1987).
38 The peracarid Mysis relicta is present in some large lakes in the tundra, and is the only freshwater member of the order Mysidacea.
The small (4 mm) peracarid crustacean Hargeria rapax (tanaid) occurs throughout the intertidal marshes of Sapelo Island, Georgia.