therapsid

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therapsid

any extinct reptile of the order Therapsida, from which mammals are thought to have evolved.
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A new tritheledontid (Therapsida, Eucynodontia) from the Late Triassic of Rio Grande do Sul (Brazil) and its phylogenetic relationships among carnivorous nonmammalian eucynodonts.
All are attributed (with possibility or probability) to Therapsida or to "Therosauria", except Brontopus circagiganteus that could be due to Caseids.