synapsid
noun Etymology: New Latin Synapsida, from Greek syn- + apsid-, apsis arch, vault — more at apsis Date: 1956 any of a subclass (Synapsida) of extinct chiefly Permian and Triassic reptiles (as the pelycosaurs) that resembled mammals, had a single pair of lateral temporal skull openings, and are usually held to be ancestral to mammals • synapsid adjective

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • Synapsid — Synapsids Temporal range: Late Mississippian Early Cretaceous, 320–100 Ma …   Wikipedia

  • Synapsid — Synapsiden Lebendbild von Edaphosaurus cruciger Zeitraum Oberes Karbon bis Holozän 315 Mio. Jahre bis heute Fossilfundorte …   Deutsch Wikipedia

  • synapsid — noun extinct reptile having a single pair of lateral temporal openings in the skull • Syn: ↑synapsid reptile • Hypernyms: ↑reptile, ↑reptilian • Hyponyms: ↑therapsid, ↑protomammal, ↑ict …   Useful english dictionary

  • Synapsid — ? Синапсиды Скелет dimetrodon grandis. Научная классификация Царство: Животные Тип: Х …   Википедия

  • synapsid — noun Any animal (including all mammals) of the class Synapsida …   Wiktionary

  • synapsid — syn·ap·sid …   English syllables

  • synapsid reptile — noun extinct reptile having a single pair of lateral temporal openings in the skull • Syn: ↑synapsid • Hypernyms: ↑reptile, ↑reptilian • Hyponyms: ↑therapsid, ↑protomammal, ↑ictodosaur, ↑ …   Useful english dictionary

  • Evolution of mammals — Restoration of Thrinaxodon, a member of the cynodont group, which includes the ancestors of mammals Further information: Evolutionary history of life The evolution of mammals within the synapsid lineage (sometimes called mammal like reptiles )… …   Wikipedia

  • Dimetrodon — Temporal range: Cisuralian Guadalupian …   Wikipedia

  • Walking with Monsters — Infobox Television show name = Walking with Monsters genre = Documentary runtime = 2 hr (including commercials) developer = Andrew Wilks producer = Chloe Leland executive producer = Tim Haines narrated = Kenneth Branagh theme music composer = Ben …   Wikipedia

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