Fossil Field Guide A-Z
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FIELD GUIDE TIMELINE
PLEISTOCENE
American lion
Capybara
Dire wolf
Flightless auk
Ground sloth
Mammoth
Mastodon
Packrat
Sabertooth cat
Western camel

PLIOCENE
Gray whale
Lewis' moon snail
Long-snouted dolphin
Rock crab
Sand dollars
Scallop
Sea cow
Walrus

MIOCENE
Allodesmus
Basalt
Brain coral
Megalodon shark

OLIGOCENE
Mesocyon
Nimravus
Sespia
Tortoise

EOCENE
Brontothere
Crassatellid clam
Palm
Peratherium
Protoreodon
Red rhyolite
Tapocyon

K-T Rock

CRETACEOUS
Albertosaurus
Ammonite
Ankylosaur
Apporahid snail
Cycad
Lambeosaurus

Fossil Field Guide A-Z

Albertosaurus	Allodesmus	American lion	Ammonite	Ankylosaur
Apporahid snail	Basalt	Brain coral	Brontothere	Capybara
Crassatellid clam	Cycad	Dire wolf	Flightless auk	Gray whale
Ground sloth	K-T Rock	Lambeosaurus	Lewis' moon snail	Long-snouted dolphin
Mammoth	Mastodon	Megalodon shark	Mesocyon	Nimravus
Packrat	Palm	Peratherium	Protoreodon	Red rhyolite
Rock crab	Sabertooth cat	Sand dollars	Scallop	Sea cow
Sespia	Tapocyon	Tortoise	Walrus	Western Camel

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