
• (n. pl.) An extinct order of amphibians found fossil in the Mesozoic rocks; called also Stegocephali, and Labyrinthodonta.
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http://thinkexist.com/dictionary/meaning/stegocephala/

<paleontology> An extinct order of amphibians found fossil in the Mesozoic rocks. ... Synonym: Stegocephali, and Labyrinthodonta. ... 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 siz...
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http://www.encyclo.co.uk/local/20973
Steg`o·ceph'a·la (stĕg`o*s&ecf;f'ȧ*lȧ)
noun plural [ New Latin , from Greek
ste`gh roof +
kefalh` head.]
(Paleon.) An extinct order of amphibians found fossil in the Mesozoic rocks; called also
Stegocephali , and
Labyrinthodonta ....
Found on
http://www.encyclo.co.uk/webster/S/191
No exact match found.