1. a kind of therapsid
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How To Use dicynodont In A Sentence

  • In every detail – the distribution of concavities and foramina, the articulatory surfaces for other bones, the tooth shape, wear pattern and surface microstructure, the internal tooth structure (determined by CT scanning) – the specimen is indisputably dicynodont, and not matched by anything else. Archive 2006-05-01
  • Isolation by desiccation would also explain why dicynodonts - mammallike reptiles that dominate fossil assemblages elsewhere during this time - are conspicuously absent at the site that yielded the two new amphibians.
  • In the earliest known post-Tapinocephalus Zone fauna of southern Africa (where the fossil record for late Permian tetrapods is most complete), new groups of big herbivores - the beaked and toothless dicynodonts - appear.
  • Of those groups only the higher Dicynodontia were to be successful, and in fact these stocky, toothless and beaked animals remained the dominant terrestrial herbivores right up until the Carnian epoch (Late Triassic period).
  • In many dicynodonts the tusks are present in about half of the individuals, indicating that these were probably sexual characters, presumably present in one gender morph and absent in the other.
  • One group of therapsids, the dicynodonts, were herbivores with a worldwide distribution.
  • The dicynodonts as a whole lasted some 50 million years, and the only group of therapsids to outlive them were the cynodonts, which were the direct ancestors of the mammals.
  • The image above combines Laurie Beirne’s dicynodont life restoration, used in the press releases for Thulborn & Turner (2003), and on the front cover of the relevant issue of Proceedings of the Royal Society of London B, with a photo of the Australian fossil. Archive 2006-05-01
  • The wide diversity of large aetosaurs suggests that they have taken over the role of big herbivore vacated by the trilophosaurs, rhynchosaurs, and dicynodonts with their disappearance from the region at the end of the Carnian.
  • The last dicynodont: an Australian Cretaceous relict. Archive 2006-05-01
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