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Stegocephali

Source : Webster's Revised Unabridged Dictionary (1913)

Stegocephala \Steg`o*ceph"a*la\, n. pl. [NL., fr. Gr. ? roof + ?
   head.] (Paleon.)
   An extinct order of amphibians found fossil in the Mesozoic
   rocks; called also {Stegocephali}, and {Labyrinthodonta}.

   Note: Their teeth, in transverse sections, usually show a
         labyrinthiform arrangement of the cement and dentine.
         The under side of the body was covered with bony
         plates. Some of the Stegocephala were of very large
         size, and the form of the body varied from short, stout
         forms to others that were as slender as serpents.
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