Proteidea

• (n. pl.) An order of aquatic amphibians having prominent external gills and four legs. It includes Proteus and Menobranchus (Necturus). Called also Proteoidea, and Proteida.
Found on http://thinkexist.com/dictionary/meaning/proteidea/

Proteidea

Pro`te·id'e·a noun plural [ New Latin See Proteus , and -oid .] (Zoology) An order of aquatic amphibians having prominent external gills and four legs. It includes Proteus and Menobranchus ( Necturus ). Called also Proteoidea , and Proteida .
Found on http://www.encyclo.co.uk/webster/P/180
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