Definition of dicynodont in English:
A fossil herbivorous mammal-like reptile of the late Permian and Triassic periods, with beaked jaws and no teeth apart from two tusks in the upper jaw of the male.
- The skull is an example of convergent evolution with some of the ornithopods and also with the dicynodonts, an herbivorous group of early synapsids.
- 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.
- 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.
Definition of dicynodont in:
- US English dictionary
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