labyrinthodont

noun
lab·y·rin·tho·dont | \ˌla-bə-ˈrin(t)-thə-ˌdänt \

Definition of labyrinthodont 

: 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

Other Words from labyrinthodont

labyrinthodont adjective

First Known Use of labyrinthodont

circa 1841, in the meaning defined above

History and Etymology for labyrinthodont

New Latin Labyrinthodontia, from Greek labyrinthos + odont-, odous tooth — more at tooth

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The first known use of labyrinthodont was circa 1841

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Britannica.com: Encyclopedia article about labyrinthodont

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