Its limbs were robust and allowed it to move on both two and four legs

such as lizards and primitive mammals

it is likely to have had a length of more than 12 meters and a weight that could have exceeded several tons

It is believed that he was a fast and agile runner

Tetracynodon tenuis Escala:1:2 Its limbs were robust andTetracynodon tenuis fue un pequeo terpsido del grupo de los cinodontes, que vivi a finales del perodo Prmico y posiblemente sobrevivi brevemente al evento de extincin masiva que marc el lmite con el Trisico, hace aproximadamente 252 millones de aos. Sus fsiles han sido hallados en Sudfrica, una regin que ha proporcionado abundante evidencia sobre la transicin entre reptiles mamiferoides y los primeros mamferos. Tetracynodon representa uno de los