Angelosaurus
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Angelosaurus is an extinct genus of herbivorous caseid synapsids that lived during the late Lower Permian and early Middle Permian in what is now Texas and Oklahoma. Like other herbivorous caseids, it
Distribution of caseid synapsids in late Paleozoic Pangea
Distribution of caseid synapsids in late Paleozoic Pangea detail
Raranimus dashankouensis
Alierasaurus
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Alierasaurus is an extinct genus of caseid synapsid that lived during the early Middle Permian in what is now Sardinia. It is represented by a single species, the type species Alierasaurus ronchii. Kn
Ungual phalanx (which supported a horny claw) of Alierasaurus ronchii in dorsal and right lateral views
The Torre del Porticciolo promontory, where the remains of Alierasaurus were discovered
Caudal vertebra of Alierasaurus ronchii in lateral, anterior and posterior views