What does amphipneust mean?
The definition of amphipneust
Am*phip”neust, n.
Etym: [Gr. (Zoöl.)
One of a tribe of Amphibia, which have both lungs and gills at the same time, as the proteus and siren.
An English Dictionary
One of a tribe of Amphibia, which have both lungs and gills at the same time, as the proteus and siren.