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Webster 1913 Edition

Noun.

[Gr.

λαβύριντηοσ

labyrinth +

ὀδούς

ὀδόντος

, tooth.]

(Paleon.)

A genus of very large fossil amphibians, of the Triassic period, having bony plates on the under side of the body. It is the type of the order

Labyrinthodonta

. Called also

Mastodonsaurus

labyrinthodon ‎(plural labyrinthodons)

(paleontology) Alternative form of labyrinthodont
- 1941, Ernestine Hill, My Love Must Wait, A&R Classics 2013, p. 35:
  One day they unearthed some bones in a sandhill that Mr Shinglar said were of the labyrinthodon, a great sloth-lizard that roamed in forests submerged for a thousand thousand years.