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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