A growing reference on specimens, minerals and the divisions of deep time — written and maintained by the site's admins.
70 entries · page 4 of 6
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Mononykus was a small, feathered alvarezsaurid theropod dinosaur from the Late Cretaceous known…
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A giant marine reptile that ruled the oceans during the Late Cretaceous, becoming one of the la…
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Nothronychus was a large feathered therizinosaur dinosaur from the Late Cretaceous known for it…
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Ornithocheirus was a large flying pterosaur from the Early Cretaceous known for its long wings,…
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Oviraptorids were feathered, bird-like theropod dinosaurs from the Late Cretaceous known for th…
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A bipedal herbivorous or omnivorous dinosaur famous for its thick, dome-shaped skull, which liv…
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A large herbivorous horned dinosaur distinguished by its massive bony nasal boss instead of a l…
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Parasaurolophus was a large hadrosaurid dinosaur from the Late Cretaceous known for its long ho…
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Pectinodon was a small, feathered troodontid theropod dinosaur from the Late Cretaceous known f…
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Placerias was a large, herbivorous dicynodont synapsid from the Late Triassic known for its bul…
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Protoceratops was a small hornless ceratopsian dinosaur from the Late Cretaceous known for its …
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Protostegidae were giant prehistoric sea turtles from the Cretaceous known for their large size…