Its anatomy helps to understand how the early forms that would eventually give rise to titanosaurs

It is believed to have fed mainly on mollusks

Medidas aproximadas del Polacanthus:

The most extraordinary thing was its dentition:

Snout-tail length 520 mm

Thylacinus cynocephalus Aenocyon Its anatomy helps to understandThylacinus cynocephalus, commonly known as the thylacine, Tasmanian wolf, or Tasmanian tiger, was an extinct carnivorous marsupial and the last recent representative of the family Thylacinidae. Although its external silhouette resembled that of a canid, with an elongated body, narrow head, and limbs adapted for terrestrial locomotion, the thylacine was not related to wolves, dogs, or foxes, but belonged to an independent marsupial evolutionary