Gargoyleosaurus
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Gargoyleosaurus is one of the earliest ankylosaurs known from reasonably complete fossil remains. The holotype was discovered in 1995 at the Bone Cabin Quarry West locality, in Albany County, Wyoming in exposures of the Upper Jurassic Morrison Formation.
Gargoyleosaurus skeleton cast, Museum of Ancient Life, Thanksgiving Point
Gargoyleosaurus parkpinorum (DMNH 27726) Skull and cervical armor in side and front view. Insert shows a cheek tooth. The skull is slightly crushed changing the shape of the orbit.
Skeleton of Gargoyleosaurus parkpinorum in top view
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