J425 - Tyrannosaur Dinosaur Tooth - Nanotyrannus sp - Late Cretaceous - Hell Creek Fm Paradoxides Trilobita - Phacopida - Homalonotidae

Trilobita - Phacopida - Homalonotidae

Spinibolops

In the same matrix you can also see a coral

There 2 almost complete example of these fossil herring fishes

Commonality: Edmontosaurus was a very successful herbivore

J425 - Tyrannosaur Dinosaur Tooth - Nanotyrannus sp - Late Cretaceous - Hell Creek Fm Paradoxides Trilobita - Phacopida - HomalonotidaeNanotyrannus lancensis is a small, fast, agile tyrannosaur from the Late Cretaceous Hell Creek Formation (originally part of the Lance Formation), known for being small and distinctly different from T. rex, with recent studies confirming it's a separate species, not a juvenile T. rex, based on unique features like more teeth, larger hands, and distinct bone structures. Meaning "dwarf tyrant," it was a capable predator of smaller prey, coexisting with