Fleshy structure of cirripeds strengthened by five calcified plates (carina, terga, scuta) [Moore and McCormick, 1969].
(Order Cladocera):
Large, gelatinous envelope enclosing body in certain water fleas [Stachowitsch, 1992].
(Subclass Cirripedia):
In barnacle, soft outer part of body typically covered by a series of plates. In other cirripeds, outer cover of body. Often referred to as carapace [Stachowitsch, 1992].
(Subclass Cirripedia):
Membranous covering of body, often strengthened by calcareous plates in thoracic Cirripedia. See: carapace [McLaughlin, 1980].
Crustacea glossary. Natural History Museum of Los Angeles County. 2011.