The Collaborative International Dictionary
Proteidea
Proteidea \Pro`te*id"e*a\, n. pl. [NL. See Proteus, and -oid.] (Zo["o]l.) An order of aquatic amphibians having prominent external gills and four legs. It includes Proteus and Menobranchus ( Necturus). Called also Proteoidea, and Proteida.