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labyrinthodonta
CIDE DICTIONARY
labyrinthodonta, prop. n. pl. [NL. See Labyrinthodon.].
An extinct order of Amphibia, including the typical genus Labyrinthodon , and many other allied forms, from the Carboniferous, Permian, and Triassic formations. By recent writers they are divided into two or more orders. See Stegocephala. [1913 Webster]
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