Sphaerotholus

Sphaerotholus

Sphaerotholus is a group of Pachycephalosaurian dinosaurs that used to live in the western United States and Canada during the …

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Polacanthus

Polacanthus

The Polacanthus was a genus of nodosaurid dinosaurs that lived during the Early Cretaceous Period, which was 130-125 million years …

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Lirainosaurus

Lirainosaurus

The Lirainosaurus was a genus of the Titanosaurid Sauropod that lived during the Upper Cretaceous Period about 71 million years …

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Corythosaurus

Corythosaurus

Corythosaurus belonged to the family Hadrosuridae, which contains other ornithopods that have duckbills and is a member of the order …

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