Harman Patil (Editor)

Gargoyleosaurus

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Kingdom  Animalia
Clade  Dinosauria
Species  †G. parkpinorum
Rank  Genus
Class  Reptilia
Family  †Nodosauridae
Phylum  Chordata
Order  Ornithischia
Gargoyleosaurus httpsbw1651cf0d2f737d7adeab84d339dbabd3bcss3
Scientific name  Gargoyleosaurus parkpinorum
Similar  Mymoorapelta, Cedarpelta, Animantarx, Aletopelta, Gastonia

Gargoyleosaurus model by dan s dinosaurs


Gargoyleosaurus (meaning "gargoyle lizard") is one of the earliest ankylosaurs known from reasonably complete fossil remains. Its skull measures 29 centimetres (11 in) in length, and its total body length is an estimated 3 to 4 metres (9.8 to 13.1 ft). It may have weighed as much as 1 tonne (2,200 lb). The holotype was discovered at the Bone Cabin Quarry West locality, in Albany County, Wyoming in exposures of the Upper Jurassic (Kimmeridgian to Tithonian stages) Morrison Formation.

Contents

Gargoyleosaurus Gargoyleosaurus Dinosaur Stock Photo by AlienCat22 PhotoDune

The type species, G. parkpinorum (originally G. parkpini) was described by Ken Carpenter et al. in 1998. A mounted skeletal reconstruction of Gargoyleosaurus parkpinorum can be seen at the Denver Museum of Nature and Science. Gargoyleosaurus was present in stratigraphic zone 2 of the Morrison Formation.

Gargoyleosaurus Gargoyleosaurus Wikipedia

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HolotypeEdit

Gargoyleosaurus Prehistoric Beast of the Week Gargoyleosaurus Prehistoric Animal

The holotype specimen of Gargoyleosaurus parkpinorum was collected by Western Paleontology Labs in 1996 and is currently held in the collections of the Denver Museum of Nature and Science, Denver, Colorado. Besides the holotype, two other partial skeletons are known (although not yet described). The holotype consists of most of the skull and a partial postcranial skeleton. The specimen was originally described as Gargoyleosaurus parkpini by Carpenter, Miles and Cloward in 1998, then renamed G. parkpinorum by Carpenter et al. in 2001, in accordance with ICZN art. 31.1.2A.

ClassificationEdit

Much of the skull and skeleton has been recovered, and the taxon displays cranial sculpturing, including pronounced deltoid quadratojugal and squamosal bosses. The taxon is further characterized by a narrow rostrum (in dorsal view), the presence of seven conical teeth in each premaxilla, an incomplete osseous nasal septum, a linerarly arranged nasal cavity, the absence of an osseus secondary palate, and, as regards osteoderms, two sets of co-ossified cervical plates and a number of elongate conical spines.

Vickaryous et al. (2004) place Gargoyleosaurus parkpinorum within the Family Ankylosauridae of the Ankylosauria and are in agreement with most previous phylogenetic hypotheses, which place the genus as the sister group to all other ankylosaurids (i.e., members of the Ankylosauridae). These studies however, only utilized the skull, whereas many of the distinctive features of the family Polacanthidae are in the postcranial skeleton.

References

Gargoyleosaurus Wikipedia


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