y sus fósiles se han hallado en estados como Nebraska

Unlike Arctodus simus

lo que le otorgaba estabilidad al desplazarse dentro del agua

Las aletas delanteras eran largas y anchas

marking the early establishment of the group's typical characteristics

Thylacinus cynocephalus Variant:Hand-painted y sus fósiles se hanThylacinus cynocephalus, known as the thylacine or "Tasmanian wolf," was a recently extinct carnivorous marsupial whose general morphology remarkably converged with that of placental canids. Its cranial anatomy constitutes one of the species' most characteristic and functionally relevant aspects. The skull of Thylacinus cynocephalus was elongated, narrow, and relatively low, with an almost straight dorsal profile. It could reach approximately 2124 cm