Odobenus rosmarus (specimen 03)

Walrus tooth (O. rosmarus) from the Pleistocene epoch

Mammuthus columbi (specimen 02)

Columbian mammoth tooth fragment (M. columbi) from the late Pleistocene epoch

Sperm whale tooth (P. macrocephalus) from the Neogene period

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

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

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

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

A small specimen of Nantan meteorite

A small specimen of Campo del Cielo meteorite fragment

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