Zarafasaura oceanis (specimen 13)

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

Spinosaurus aegyptiacus (specimens 09-12)

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

Maiasaura peeblesorum (specimen 07)

Maiasaur bone fragment (M. peeblesorum) from the late Cretaceous period

Alligator mississippiensis (specimen 02)

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

Testudines sp. (specimen 01)

Turtle scute fragment (Testudines sp.) from the Miocene epoch

KT Boundary Soil Sample (specimen 06)

A vial of layered soil from the KT (KPg) extinction layer in South Dakota, USA

Gastropoda sp. (specimen 27)

An unknown snail species (Gastropoda sp.) in a limestone matrix from the Eocene epoch

Terebra sp. (specimens 24-26)

Auger snail shells (Terebra sp.) from the Pliocene epoch

Naticidae sp. (specimens 19-23)

Moon snail shells (Naticidae sp.) from the Pliocene epoch

Scaphella sp. (specimen 18)

Volute snail shell (Scaphella sp.) from the Pliocene epoch