and evidence has been found that Deinonychus inhabited social groups

in reference to the spines that covered its body

they have also adapted to other environments

Kosmoceratops had a very short

Archelon's head was another distinctive feature of this species

Nothosaurus mirabilis Psittacosaurus and evidence has been foundNothosaurus mirabilis (`Falso Lagarto) es un gnero de reptil Sauropterygia de la Edad Anisiense y Ladiniense del Trisico medio, hace aproximadamente 240210 millones de aos, Nothosaurus mirabilis poda llegar a medir 3 metros de largo mientras que otras especies de su gnero como el Nothosaurus giganteus podia llegar a medir unos 6 metros de largo. Estos reptiles eran depredadores y estaban perfectamente adaptados a la vida acutica, con sus patas