Английская Википедия:Furcatoceratops
Шаблон:Short description Шаблон:Automatic taxobox
Furcatoceratops (meaning "forked horned face") is a genus of centrosaurine ceratopsid dinosaur from the Late Cretaceous Judith River Formation of Montana. The type species is Furcatoceratops elucidans.[1]
Discovery and naming
The holotype specimen, NSM PV 24660, is a nearly complete disarticulated skeleton of a moderately-sized subadult. The skeleton preserves, among other elements, numerous elements of the skull, a nearly complete left front- and hindlimb, parts of the pelvis and most of the vertebral column. The specimen was excavated from Triebold Paleontology Incorporated’s “12-020” site, a quarry in the Upper Cretaceous Judith River Formation in Fergus County, Montana. The quarry is located approximately 7 kilometres North-West of the town of Winifred. NSM PV 24660 was collected from rocks of the upper Coal Ridge Member, lying approximately 20 meters below the overlying Bearpaw Formation. Based on a Bayesian geochronological model from a 2022 study by Ramezani et al., the horizon from which the holotype was collected is recovered as approximately 75.6 (~75.3-75.9) Ma.[1][2]
The holotype is currently housed at the National Museum of Nature and Science in Tsukuba, Japan, and was named as a new genus and species of ceratopsid in 2023. The generic name, Furcatoceratops, comes from the Latin furcatus, meaning "forked", and the Greek ceratops meaning "horned face". The specific name, elucidans, is Latin for "enlightening".[1]
Classification
In the 2023 study that first described the animal, Furcatoceratops was included in a phylogenetic analysis with other ceratopsian dinosaurs and found to nestle within the clade Nasutoceratopsini. Other members of this clade of early branching centrosaurines include Avaceratops and Nasutoceratops, both also hailing from the Campanian of the United States.[1]
Paleoenvironment
The Judith River Formation has produced the remains of several dinosaurs, several of which have been recovered in the early days of paleontology, as well as others identified more recently. Among others, Furcatoceratops coexisted with fellow ceratopsids Avaceratops, Medusaceratops, and Spiclypeus, the hadrosaur Brachylophosaurus, the ankylosaur Zuul, the tyrannosaur Daspletosaurus, and the giant alligatoroid Deinosuchus.[3][4][5][6][7]
References
Шаблон:Marginocephalia Шаблон:Portal bar
- ↑ 1,0 1,1 1,2 1,3 Шаблон:Cite journal
- ↑ Шаблон:Cite journal
- ↑ Шаблон:Cite book
- ↑ Ryan, Michael J.; Russell, Anthony P., and Hartman, Scott. (2010). "A New Chasmosaurine Ceratopsid from the Judith River Formation, Montana", In: Michael J. Ryan, Brenda J. Chinnery-Allgeier, and David A. Eberth (eds), New Perspectives on Horned Dinosaurs: The Royal Tyrrell Museum Ceratopsian Symposium, Indiana University Press, 656 pp. Шаблон:ISBN.
- ↑ Шаблон:Cite journal
- ↑ Шаблон:Cite book
- ↑ Шаблон:Cite journal
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