Cotylorhynchus mixotoxodon Xiphactinus audax fue un enorme

Xiphactinus audax fue un enorme pez depredador que vivió durante el Cretácico Superior

clavicaudatus `thick-boned´) is an extinct genus of cingulate mammals of the family Glyptodontidae that lived in South America during the Pleistocene

the ceratopsids

Altura al hombro 114 mm

which suggest the presence of a kind of "hump" on its neck

Cotylorhynchus mixotoxodon Xiphactinus audax fue un enormeCotylorhynchus : The herbivorous colossus of the Permian Before the rise of the dinosaurs, on a still forming Earth, some of the earliest large terrestrial vertebrates dominated the ancient Permian landscapes. One of the most striking was Cotylorhynchus , a synapsid that defies expectations with its size, anatomy, and lifestyle. With its massive body, short limbs, and proportionally tiny skull, Cotylorhynchus represents one of the most peculiar and