WTimeline of paleontologyWTimeline of egg fossil researchWTimeline of eurypterid researchW19th century in ichnologyW20th century in ichnologyWTimeline of ichthyosaur researchWTimeline of plesiosaur researchWTimeline of Cretaceous–Paleogene extinction event researchWTimeline of mosasaur researchWTimeline of pterosaur research
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