Gryphoceratops

Gryphoceratops Temporal range: Late Cretaceous, 83.5 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Clade:	Dinosauria
Order:	†Ornithischia
Suborder:	†Ceratopsia
Family:	†Leptoceratopsidae
Genus:	†Gryphoceratops et al., 2012
Species:	†G. morrisoni
Binomial name
†Gryphoceratops morrisoni Ryan et al., 2012

Gryphoceratops is an extinct genus of leptoceratopsid ceratopsian dinosaur known from the Late Cretaceous of Alberta, southern Canada.^[1]

Discovery[]

Gryphoceratops is known only from the holotype ROM 56635, a partial right dentary. The holotype was collected in the northwest corner of Dinosaur Provincial Park, from bonebed 55 of the Milk River Formation, dating to the late Santonian stage of the middle Late Cretaceous period, about 83.5 million years ago. Thus, Gryphoceratops represents the oldest known leptoceratopsid. However, a cladistic analysis found it to be one of the most advanced leptoceratopsids. Additionally, the holotype probably represents the smallest adult ceratopsian known from North America.^[1]

The cladogram below represents the cladistic relationship of Gryphoceratops compared to other leptoceratopsids.^[1]

Etymology[]

Gryphoceratops was first named by , , Philip J. Currie, and in 2012 and the type species is Gryphoceratops morrisoni. The genus name means "griffin horned face", as a reference to the beaked head, and the species name honors Ian Morrison, who prepared the holotype specimen.^[1]

See also[]

• Timeline of ceratopsian research

References[]

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