from the GNU version of the Collaborative International Dictionary of English
- plural proper n. 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.
from The Century Dictionary and Cyclopedia
- Same as Labyrinthodontia.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. extinct amphibians typically resembling heavy-bodied salamanders or crocodiles and having a solid flattened skull and conical teeth; Devonian through Triassic
Sorry, no etymologies found.