Yamaceratops: Difference between revisions
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{{Short description|Extinct genus of |
{{Short description|Extinct genus of dinosaurs}} |
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{{Speciesbox |
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{{Italic title}} |
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{{Taxobox |
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| fossil_range = <br>[[Late Cretaceous]], {{fossilrange|Santonian}} |
| fossil_range = <br>[[Late Cretaceous]], {{fossilrange|Santonian}} |
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| image = Yamaceratops BW.jpg |
| image = Yamaceratops BW.jpg |
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| display_parents = 2 |
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| regnum = [[Animal]]ia |
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| phylum = [[Chordate|Chordata]] |
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| classis = [[Reptile|Sauropsida]] |
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| authority = Makovicky & Norell, 2006 |
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| superordo = [[Dinosaur]]ia |
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| ordo = [[Ornithischia]] |
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| subordo = [[Marginocephalia]] |
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| infraordo = [[Ceratopsia]] |
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| genus = '''''Yamaceratops''''' |
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|subdivision_ranks=[[Species]] |
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|subdivision= |
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*''Y. dorngobiensis'' <small>Makovicky & Norell, 2006 ([[type species|type]])</small> |
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[[Category:Ceratopsians]] |
[[Category:Ceratopsians]] |
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[[Category:Ornithischian genera]] |
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[[Category:Late Cretaceous dinosaurs of Asia]] |
[[Category:Late Cretaceous dinosaurs of Asia]] |
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[[Category:Fossil taxa described in 2006]] |
[[Category:Fossil taxa described in 2006]] |
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Revision as of 13:07, 22 September 2021
| Yamaceratops Temporal range:
Late Cretaceous, | |
|---|---|
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Dinosauria |
| Clade: | †Ornithischia |
| Clade: | †Neornithischia |
| Clade: | †Ceratopsia |
| Clade: | †Neoceratopsia |
| Genus: | †Yamaceratops Makovicky & Norell, 2006 |
| Species: | †Y. dorngobiensis
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| Binomial name | |
| †Yamaceratops dorngobiensis Makovicky & Norell, 2006
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Yamaceratops is a genus of primitive ceratopsian that lived in Asia during the Late Cretaceous period in what is now the Javkhlant Formation. Initially, the rocks it was found in were thought to be from the Early Cretaceous, but the age was reevaluated in 2009.[1]
The type species, Yamaceratops dorngobiensis, was described by P. J. Makovicky and M. A. Norell in September, 2006. The authors consider the animal to have had an intermediate phylogenetic position between Liaoceratops and Archaeoceratops within Neoceratopia. Examination of the frill of Yamaceratops has convinced the authors that the frill was not used for display, and that the fossils "[hint] at a more complex evolutionary history for ceratopsian frills."[2]
The genus name refers to Yama, a Tibetan Buddhist deity; the species name to the Eastern Gobi. The holotype IGM 100/1315 consists of a partial skull; other material has been found in 2002 and 2003 and has been ascribed to the genus.[2]
A fossilized embryo found within an ornithischian eggshell from sediments where Yamaceratops is common may belong to this genus.[3]
In 2020 Minyoung Son and colleagues reported a juvenile specimen of Yamaceratops found in 2014 at the Khugenslavkhant locality.[4]
See also
References
- ^ Eberth, David A.; Kobayashi, Yoshitsugu; Lee, Yuong-Nam; Mateus, Octávio; Therrien, François; Zelenitsky, Darla K.; Norell, Mark A. (2009). "Assignment of Yamaceratops dorngobiensis and associated redbeds at Shine Us Khudag (eastern Gobi, Dorngobi Province, Mongolia) to the restricted Javkhlant Formation (Upper Cretaceous)". Journal of Vertebrate Paleontology. 29 (1): 295–302. doi:10.1080/02724634.2009.10010384. S2CID 197540125.
- ^ a b Makovicky, Peter J.; Norell, Mark A. (2006). "Yamaceratops dorngobiensis, a new primitive ceratopsian (Dinosauria: Ornithischia) from the Cretaceous of Mongolia" (PDF). American Museum Novitates (3530): 1–42. doi:10.1206/0003-0082(2006)3530[1:YDANPC]2.0.CO;2.
- ^ Balanoff, A.M.; Norell, M.A.; Grellet-Tinner, G.; Lewin, M.R. (2008). "Digital preparation of a probable neoceratopsian preserved within an egg, with comments on microstructural anatomy of ornithischian eggshells". Naturwissenschaften. 95 (6): 493–500. Bibcode:2008NW.....95..493B. doi:10.1007/s00114-008-0347-2. PMID 18347769. S2CID 6421080.
- ^ Son, M.; Lee, Y.-N.; Zorit, B.; Park, J.-Y.; Lee, S.; Kim, S.-H.; Lee, K.-Y. (2020). "A juvenile Yamaceratops dorngobiensis (Ornithischia, Ceratopsia) from the Upper Cretaceous Javkhlant Formation of Mongolia" (PDF). Journal of Vertebrate Paleontology. Program and Abstracts: 311.
External links
- Dinosaur Mailing List announcement of the description (contains full abstract of the paper)
- Description and Image (in German)
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