from the GNU version of the Collaborative International Dictionary of English
- 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.
from The Century Dictionary and Cyclopedia
- A division of saurobatrachian or urodelc Amphibia, having the external branchiæ or gill-clefts persistent, or disappearing only in old age, no eyelids, amphicœlous vertebræ, and cartilaginous carpus and tarsus: synonymous with Proteida, and contrasted with the Salamandridea.
Sorry, no etymologies found.