Cotylorhynchus. These authors consider that a detailed revision of these two taxa is necessary to clarify their status. The skull of Cotylorhynchus shows...

These remains were firstly regarded as belonging possibly to Cotylorhynchus (cf Cotylorhynchus sp. in the publication of Ronchi et al.) or to a closely related...

like Cotylorhynchus. These authors showed that the bone microstructure of the humerus, femur and ribs of adult and immature specimens of Cotylorhynchus romeri...

Cotylorhynchus bransoni Cotylorhynchus hancocki...

However, most caseids reached larger sizes, and some caseids, such as Cotylorhynchus and Alierasaurus, were among the largest terrestrial animals of the...

Cotylorhynchus (background), Ophiacodon and Varanops...

estimated length around 6–7 m (20–23 ft). Another huge caseasaur is Cotylorhynchus hancocki, with an estimated length and weight of at least 6 m (20 ft)...

Alierasaurus Angelosaurus Arisierpeton Callibrachion Casea Caseoides Caseopsis Cotylorhynchus Datheosaurus Ennatosaurus Eocasea Euromycter Lalieudorhynchus Martensius...

larger than the diadectids, more similar to the giant caseid pelycosaur Cotylorhynchus. Although the last Pareiasaurs were no larger than the first types (indeed...

vertebrates of the Early Permian, such as the 6 metre (20 foot)-long Cotylorhynchus hancocki. Among the other large pelycosaurs were Dimetrodon grandis...