Stegocephalia

plural noun
Stego·ce·pha·lia

Definition of Stegocephalia 

in some especially former classifications

: an order or other division of Amphibia comprising all the pre-Jurassic and many later extinct typically tailed and salamandriform amphibians usually with well-developed limbs and sometimes of large size — compare labyrinthodontia, lissamphibia

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History and Etymology for Stegocephalia

New Latin, from steg- + Greek kephalē head + New Latin -ia

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