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Webster 1913 Edition
Labyrinthodonta
‖
Labˊy-rinˊtho-don′ta
,p
rop.
Noun.
pl.
[NL. See
Labyrinthodon
.] (Paleon.)
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
.