As part of the fauna associated with phacopid trilobites and other marine invertebrates

Coelodonta's habitat stretched across much of the Northern Hemisphere

lo que dio origen a su apodo informal de “cocodrilo-jabalí”

and Oklahoma

powerful skull

Mononykus olecranus Variant:Primed As part of the faunaMononykus olecranus was a small theropod dinosaur belonging to the alvarezsaurid family that inhabited the desert regions of Central Asia during the Late Cretaceous, approximately 70 million years ago. It was a lightly built, highly specialized animal, measuring approximately 1 to 1. 2 meters in length and weighing an estimated few kilograms. Its anatomy reflects a combination of adaptations unique among non avian dinosaurs, particularly those related