Proteidea

Pro`te`id´e`a


n. pl.1.(Zool.) An order of aquatic amphibians having prominent external gills and four legs. It includes Proteus and Menobranchus (Necturus). Called also Proteoidea, and Proteida.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.