| slovo | definícia |
Labyrinthodonta
(gcide) | Labyrinthodonta \Lab`y*rin`tho*don"ta\, prop. n. 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.
[1913 Webster] Lac |
Labyrinthodonta
(gcide) | Stegocephala \Steg`o*ceph"a*la\
(st[e^]g`[-o]*s[e^]f"[.a]*l[.a]), n. pl. [NL., fr. Gr. ste`gh
roof + kefalh` head.] (Paleon.)
An extinct order of amphibians found fossil in the Mesozoic
rocks; called also Stegocephali, and Labyrinthodonta.
[1913 Webster]
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.
[1913 Webster] |
labyrinthodonta
(wn) | Labyrinthodonta
n 1: extinct amphibians typically resembling heavy-bodied
salamanders or crocodiles and having a solid flattened
skull and conical teeth; Devonian through Triassic [syn:
Labyrinthodontia, superorder Labyrinthodontia,
Labyrinthodonta, superorder Labyrinthodonta] |
| |