• These fifteen fossil specimens represent the geologic time from Paleocene to the Pleistocene.
• Some of these life forms date back 60 million years and are forerunners of modern mammals.

I. Animal -- Mollusca -- Pelecypoda -- Cardium sp.(clam) --Paleocene ---Texas
2. Animal -- Vertebrata -- Chondrichthyes -- Enchodus libycus (shark tooth) -- Miocene -- MOROCCO
3. Animal -- Vertebrata -- Chondrichthyes -- Myliobatis raouxi (stingray teeth) -- Miocene -- MOROCCO
4. Animal -- Mollusca -- Gastropoda -- Turritella sF. (snail) -- Eocene -- Wyoming
5. Animal -- Mollusca -- Gastropoda -- Goniabasis tenera (snail) -- Eocene -- Wyoming
6. Animal -- Vertebrata -- Mammalia -- Coryphodon sp. (hippopotamus bone) -- Eocene -- Willwood Park Co., WY
7. Plant -- Tracheophyta -- Gymnospermopsida -- unidentified genus & sp. (petrified wood) -- Oligocene ---Oregon
8. Animal -- Vertebrata -- Reptelia -- unidentified genus & species (turtle shell) -- Oligocene -- Harrison Nebraska
9. Animal -- Vertebrata -- Chondrichthyes -- Dasyatis sp. (stingray dermal osside) -- Miocene -- Brewster Co., FL
10. Animal -- Vertebrata -- Chondrichthyes -- unidentified genus & species (shark tooth) -- Miocene --Florida
11. Animal -- Coelenterata -- Anthozoa -- unidentified genus & sp. ( colonial coral) -- Miocene -- Florida
12. Animal -- Mollusca -- Pelecypoda -- Chione cancellata (clam) -- Pliocene -- CaloosahatcheeShell Ck., FL
13. Animal -- Arthropoda -- Insecta -- Insects are often preserved in copal/amber -- Pliocene -- COLUMBIA
14. Animal -- Vertebrata -- Mammalia -- unidentified genus & sp. (mammal bone) -- Pleistocene ---Florida
15. Animal -- Vertebrata -- Mammalia -- unidentified genus & species (fossil ivory) -- Pleistocene ---Florida