Based on the most recent paleontological data

Its environment

The metacarpals and metatarsals were long

Compartía su hábitat con otros dinosaurios notables como el terópodo Suchomimus o el saurópodo Nigersaurus

Stethacanthus altonensis Variant:Primed Based on the most recentStethacanthus 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