Stethacanthus altonensis Eurhinosaurus The original description particularly emphasised

The original description particularly emphasised this short

Torosaurus latus was a herbivore

reaching lengths of up to 2

especially in the Western Interior Sea

permitiéndole desplazarse de manera estable por llanuras aluviales y ambientes semiáridos

Stethacanthus altonensis Eurhinosaurus The original description particularly emphasisedStethacanthus altonensis is an extinct cartilaginous fish from the Early Carboniferous (late Mississippian, approx. 330320 million years ago), belonging to the Symmoriida group within Chondrichthyes, a primitive lineage closely related to early sharks and chimaeras. It is the type species of the genus Stethacanthus, a taxon particularly renowned for one of the strangest anatomical structures known among Paleozoic vertebrates: a modified anterior