noun Etymology: ultimately from Greek kotylē + sauros lizard Date: 1895 any of an order (Cotylosauria) of extinct primitive reptiles of the Carboniferous to Triassic with short legs and massive bodies that were probably the earliest truly terrestrial vertebrate animals

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • cotylosaur — cotylosaurian, adj. /kot l euh sawr /, n. any member of the extinct order Cotylosauria, comprising heavy bodied, splay limbed, plant eating reptiles that arose during the Carboniferous Period and that are considered to include the ancestors of… …   Universalium

  • cotylosaur — noun A member of the Captorhinidae, the earliest group of true reptiles from the Carboniferous through the Permian. Syn: stem reptile …   Wiktionary

  • cotylosaur — cot·y·lo·saur …   English syllables

  • cotylosaur — cot•y•lo•saur [[t]ˈkɒt l əˌsɔr[/t]] n. pal any reptile of the extinct order Cotylosauria, comprising heavy bodied splay limbed forms that arose during the Pennsylvanian Period and that include the ancestors of all other reptiles • Etymology:… …   From formal English to slang

  • cotylosaur — ˈkäd.ələˌsȯ(ə)r noun ( s) Etymology: New Latin Cotylosauria : a reptile of the order Cotylosauria …   Useful english dictionary

  • Diadectidae — Temporal range: Late Carboniferous – Early Permian, 305–271 Ma …   Wikipedia

  • rootreptile — root reptile n. See cotylosaur. * * * …   Universalium

  • stemreptile — stem reptile n. See cotylosaur. * * * …   Universalium

  • cotylosaurian — adjective a) Of or pertaining to cotylosaurs. b) Having characteristics of a cotylosaur …   Wiktionary

  • Diadectidae — Reconstitution …   Wikipédia en Français

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