Cotylorhynchus is an extinct genus of very large synapsids that lived in the southern part of what is now North America during the Early Permian period.[1] It is the best known member of the synapsid clade Caseidae, usually considered the largest terrestrial vertebrates of the Early Permian,[2] though they were possibly aquatic.[3]read more
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Cotylorhynchus is an extinct genus of very large synapsids that lived in the southern part of what is now North America during the Early Permian period.[1] It is the best known member of the synapsid clade Caseidae, usually considered the largest terrestrial vertebrates of the Early Permian,[2] though they were possibly aquatic.[3]
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