Archelon ischyros turtle pictured with Saurornitholestes

Archelon ischyros turtle of the Late Cretaceous period, South Dakota, USA. Also pictured are Saurornitholestes langstoni (dromeosaurids), Ichthyornis dispar (marine birds), Claosaurus affinis (ornithopod)

Affinis Archelon Biodiversity Campanian Dispar Dromaeosaur Dromaeosauridae Ischyros Maastrichtian Ornithischia Ornithopod Paleoart Paleobiology Raptor Sandbar Shoal Testudines Turtle Turtles Variation

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