became extinct at the end of the Jurassic period

who may have competed for the same prey or hunted Thylacoleo directly

1:20 scale - 155 mm

specialized in hunting during twilight

dicynodonts were one of the dominant groups of herbivores on Earth

Nyctosaurus gracilis Koolasuchus became extinct at the endNyctosaurus is an extinct genus of pterodactyloid pterosaur that lived during the Late Cretaceous period, approximately 85 million years ago, in what is now North America. Several species are known within this genus, the best known being Nyctosaurus gracilis. This pterosaur was characterized by its distinctive fan shaped crest on the back of its skull, which was formed by bony extensions of the neck vertebrae. This crest, which was larger in males