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Dicynodontian Skeleton Disarticulated Museum quality polyurethane resin cast made in the USA. Austalobarbarus kotelnichi. From the collection of: Koltelnich Peleontological Museum in Russia. 255 million years ago. Upper Permian.
Dicynodontia is a taxon of anomodont therapsids with beginnings in the mid-Permian, which were dominant in the Late Permian, survived the Permian Extinction that wiped out most other therapsids and continued on throughout the Triassic before dying out at the end of the period.
The dicynodont skull is highly specialized, light but strong, with the synapsid temporal openings at the rear of the skull greatly enlarged to accommodate larger jaw muscles. The front of the skull and the lower jaw are generally narrow and, in all but a number of primitive forms, toothless. Instead, the front of the mouth is equipped with a horny beak, as in turtles. Food was processed by the retraction of the lower jaw when the mouth closed, producing a powerful shearing action.
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