A suborder of decapod crustaceans in which the fifth pair of pereiopods are extremely reduced and often concealed beneath the carapace; the antennae are placed to the outside of the eyestalks and the sub-hepatic regions of the carapace are not fused with the endostome. (Hermit crabs, Porcelain crabs, Lithodid crabs) [Ingle, 1980].
Crustacea glossary. Natural History Museum of Los Angeles County. 2011.