cotylosaur

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 all other reptiles.
[1900-05; < NL Cotylosauria, equiv. to cotyl(lus) a hollow space in the bones forming the distinctive articulation of skull and vertebrae, which orig. defined the order (masc. n. < Gk kotýle socket, cup, anything hollow) + -o- -O- + -sauria; see -SAUR, -IA]

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Universalium. 2010.

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Look at other dictionaries:

  • cotylosaur — 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… …   New Collegiate Dictionary

  • 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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