Useful english dictionary. 2012.
Synapsida — noun extinct reptiles of the Permian to Jurassic considered ancestral to mammals • Syn: ↑subclass Synapsida • Hypernyms: ↑class • Member Holonyms: ↑Reptilia, ↑class Reptilia • Member Meronyms: ↑ … Useful english dictionary
Synapsid — Synapsids Temporal range: Late Mississippian Early Cretaceous, 320–100 Ma … Wikipedia
class Reptilia — noun class of cold blooded air breathing vertebrates with completely ossified skeleton and a body usually covered with scales or horny plates; once the dominant land animals • Syn: ↑Reptilia • Derivationally related forms: ↑reptilian (for:… … Useful english dictionary
Reptilia — noun class of cold blooded air breathing vertebrates with completely ossified skeleton and a body usually covered with scales or horny plates; once the dominant land animals • Syn: ↑class Reptilia • Derivationally related forms: ↑reptilian •… … Useful english dictionary
Therapsida — noun extinct mammal like reptiles found inhabiting all continents from the mid Permian to late Triassic • Syn: ↑order Therapsida • Hypernyms: ↑animal order • Member Holonyms: ↑Synapsida, ↑subclass Synapsida • … Useful english dictionary
vertebrate — /verr teuh brit, brayt /, adj. 1. having vertebrae; having a backbone or spinal column. 2. belonging or pertaining to the Vertebrata (or Craniata), a subphylum of chordate animals, comprising those having a brain enclosed in a skull or cranium… … Universalium
Vertebrate paleontology — seeks to discover the behavior, reproduction and appearance of extinct spined animals, through the study of their fossilized remains. It also tries to connect, on the evolutionary timeline, the animals of the past and their modern day… … Wikipedia
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 … New Collegiate Dictionary
Тетрацератопс — ? † Тетрацератопс … Википедия
mammal-like reptile — noun Any basal member of the Synapsida, related to the mammals but superficially resembling reptiles. The mammal like reptiles, constituting the subclass Synapsida, were among the earliest to appear of known reptilian groups and had passed the… … Wiktionary
