Hylaeosaurus
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Hylaeosaurus is a herbivorous ankylosaurian dinosaur that lived about 136 million years ago, in the late Valanginian stage of the early Cretaceous period of England. It was found in the Grinstead Clay Formation.
Illustration of the holotype in its matrix, 1868
Dermal spine
Crystal Palace model by Benjamin Waterhouse Hawkins
Specimen referred to H. oweni
Nodosauridae
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Nodosauridae is a family of ankylosaurian dinosaurs, from the Late Jurassic to the Late Cretaceous period in what is now North America, South America, Europe, and Asia.
The holotype of Borealopelta markmitchelli on display at the Royal Tyrrell Museum