Desmatosuchus sp. (specimen 18)

Desmatosuchus horn fragment (Desmatosuchus sp.) from the late Triassic period

Globidens phosphaticus (specimen 17)

Globidens mosasaur tooth (G. phosphaticus) from the Cretaceous period

Giant tortoise spurs (Hesperotestudo sp.) from the Pleistocene epoch

Pterosaur tooth (Pterosauria sp.) from the Cretaceous period

Elasmosaur tooth (Z. oceanis) from the late Cretaceous period

Spinosaurus teeth (S. aegyptiacus) from the late Cretaceous period

American alligator tooth (A. mississippiensis) from the Pleistocene epoch

Mosasaur bone fragment (Plioplatecarpus sp.) from the late Cretaceous period

A mosasaur tooth (Prognathodon sp.) in matrix from the late Cretaceous period

Dermal scute from an American alligator (A. mississippiensis) from the Quaternary period