Labyrinthodonta is a 15 letter word which starts with the letter L and ends with the letter A for which we found 1 definitions.
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(n. pl.) 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. |