and the Archelons seem to be in their element

especially in the skull and hind limbs

the lack of complete skeletons has limited the full understanding of this dinosaur

Se cree que Hesperonychus elizabethae era un cazador terrestre y probablemente vivía en ambientes boscosos o semiabiertos

Deinosuchus / Kritosaurus Variant:Unprimed and the Archelons seem toEcological interactions and morphology of Deinosuchus and Kritosaurus during the Late Cretaceous of North America During the Late Cretaceous, approximately 8273 million years ago, the ecosystems of western North America supported significant faunal diversity, with the coexistence of two iconic genera: Deinosuchus , a large crocodilian, and Kritosaurus , a widespread herbivorous hadrosaurid. The combined study of both taxa provides a comprehensive view