Longitud hocico-cola 65 mm

as it features unique characteristics compared to other known thyreophorans

where the sail would act as a surface to absorb or dissipate heat

probably feeding on small vertebrates

los cinodontes

Stethacanthus altonensis Dino and Dog Longitud hocico-cola 65 mmStethacanthus 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