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Cretaceous Period
ammonites
birds
chalk deposits
dinosaurs
following period, the Paleogene
formation of coal
fossils
geographical features formed during period
invertebrates
mammals
marine lizard
mass extinction
Mesozoic Era
origins and descendants of the dinosaurs (chart)
pictures related to the Cretaceous Period
reptiles
archosaurs
ichthyosaurs
mosasaurs
plesiosaurs
pterosaurs
trees
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