Dictionary.net

• t[=e]-l[.e]r'pe-ton, n. a remarkable genus of fossil reptiles of the Mesozoic period. [Gr. t[=e]le, far, herpeton, a reptile.]

1908 - Chambers's Twentieth Century Dictionary of the English Language
By Thomas Davidson

• [Gr.] (Geol.) A gen. of small fossil reptiles. Triassic sandstones of Elgin.

1895 - Glossary of terms and phrases
By Henry Percy Smith