labyrinthodon Palæont.
(læbɪˈrɪnθədɒn)
[mod.L. (R. Owen), f. Gr. λαβύρινθος labyrinth + ὀδοντ-, ὀδούς tooth: cf. note s.v. glyptodon.]
Any of the large fossil amphibians of the genus Labyrinthodon, characterized by teeth of labyrinthine structure having the enamel folded and sunk inward.
| 1847 Ansted Anc. World vii. 132 The numerous and gigantic labyrinthodons..as large as rhinoceros. 1854 R. Owen in Circ. Sci. (c 1865) II. 97/2 The extinct gigantic lizard-like toad, called Labyrinthodon. 1876 Page Adv. Text-bk. Geol. xvi. 294 The batrachian or frog-like labyrinthodon. |