Spinosaurus teeth (S. aegyptiacus) from the late Cretaceous period
Tag: Archosauria
Alligator mississippiensis (specimen 08)
American alligator tooth (A. mississippiensis) from the Pleistocene epoch
Maiasaura peeblesorum (specimen 07)
Maiasaur bone fragment (M. peeblesorum) from the late Cretaceous period
Oviraptor philoceratops (specimens 04-05)
Oviraptor egg shell fragments (O. philoceratops) from the late Cretaceous period
Alligator mississippiensis (specimen 02)
Dermal scute from an American alligator (A. mississippiensis) from the Quaternary period
The Fossil Ark 