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Ammonoids	Amphibians	Belemnoids	Brachiopods	Eurypterids

Frogs and toads	Paleozoic	Cambrian	Ordovician	Silurian

Devonian	Carboniferous	Permian	Mesozoic	Triassic

Jurassic	Cretaceous	Cenozoic	Paleogene	Neogene

Quaternary	Graptolites	Ichthyosauromorphs	Lepidosaurs	Mosasaurs

Paleobotany	Paleontology	Prehistory of Africa	Prehistory of North America	Prehistory of South America

Prehistory of Antarctica	Prehistory of Asia	Prehistory of Europe	Prehistory of Oceania	Pseudosuchians

Pterosaurs	Reptiles	Salamanders	Sauropterygians	Snakes

Trace fossils	Trilobites