Pronunciation: - ' rin(t)-th ə - ˌ dänt
Function: noun
Etymology: New Latin Labyrinthodontia, from Greek labyrinthos + odont-, odous tooth ― more at TOOTH
Date: circa 1852
: any of a superorder (Labyrinthodontia) of extinct amphibians of the late Paleozoic and early Mesozoic typically having bodies resembling salamanders or crocodiles and considered to be the earliest tetrapod vertebrates
– labyrinthodont adjective