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Pleistocene, 10,000-1.8 million years ago
American Mastodon (Mammut americanum)
American lion (Felis atrox)
Capybara (Hydrochoerus sp.)
Dire Wolf (Canis dirus)
California Condor (Gymnogyps californianus ) - modern mount
Horse (Equus sp. and Equus przewalskii) - fossil and modern
Mammoth (Mammuthus sp. )
Saber-toothed Cat (Smilodon floridanus)
Pliocene, 1.8-5 million years ago
Great white shark teeth and whale bone (Carcharodon carcharias)
Clam (Miltha xantusi)
Moon snails (Polinices sp.)
Long-snouted Dolphin, River dolphin (Parapontoporia sternbergi)
Walrus (Valenictus chulavistensis)
Sea cow, Dugong (Hydrodamalis cuestae)
Scallop (Patinopectin healeyi)
Sand dollars (Dendraster ashleyi)
Rock crab (Cancer sp.)
Eocene, 34-55 million years ago
Brontothere skull (Metarhinus pater)
Miacid skeleton (Tapocyon occidentalis)
Protoreodon skeleton (Protoreodon walshi)
Tortoise carapace (Geochelone sp. )
Fossil palm leaves
Cretaceous, 65-144 million years ago
Ammonite (Pachydiscus caterinae)
Apporahid Snail
Chasmosaur (Chasmosaurus belli)
Hadrosaur
Mosasaur (Platecarpus coryphaeus)
Nodosaur
Marine Invertebrates: Cypraea gualalaensis, Pinna sp., Indogrammatodon sp., Anchura gibbera, Calva sp., Crassatella sp.
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