San Diego Natural History Museum--Your Nature ConnectionSDNHM Exhibits
Photos of ammoniteNatural Treasures: Past and Present
Fossil Treasures

Learn more about the species represented by fossils on exhibit at the Museum:
(Pages without links still under development)


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)
Mosasaur (Platecarpus coryphaeus)
Marine Invertebrates: Cypraea gualalaensis, Pinna sp., Indogrammatodon sp., Anchura gibbera, Calva sp., Crassatella sp.

Related information:


Background Information
Geologic Timeline
Dinosaurs of San Diego County (an explanation by our curator of paleontology about why dinosaurs are so rare here)
Dinosaur FAQs
Paleontology Collection Database

Other fossil field guide pages
Crassatellid Clam

Especially for kids
Dinosaur Dig (games and more)
Finding Fossils
Death of a Nodosaur (an illustrated explanation about how the Nodosaur found in San Diego ended up here)

Fossil Finds in San Diego County
Pleistocene Mammal Discoveries
Pliocene Era Whale Uncovered
Skull of Giant Pliocene Sea Cow Discovered
Clams of Champions
Discoveries in the Museum Pit
Fossil Clams - photos of excavating and cleaning
Invertebrate Fossils in the San Diego Formation
Whale Fossil found in Chula Vista
Fossil Snake Discovered

Natural Treasures