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YEHUECAUHCERATOPS

a plant-eating centrosaurine ceratopsid dinosaur from the Late Cretaceous of Mexico.
Pronunciation: yeh-WE-cow-SEH-ruh-tops
Meaning: Ancient horn face
Author/s: Rivera-Sylva et al. (2017)
Synonyms: None known
First Discovery: Coahuila, Mexico
Chart Position: 767

Yehuecauhceratops mudei

In April of 2016, some centrosaurine ceratopsid fossils from the Aguja Formation of Mexico were described by Héctor Eduardo Rivera-Sylva, Brandon Hedrick and ceratopsian expert Peter Dodson who suspected that they may have had an all new critter on their hands, but refrained from giving it a name because it was "not currently diagnosable to the generic level". Apart from ditching Hedrick and Dodson and rolling with a new bunch of co-authors we're not sure what changed. But by late January of the following year Rivera-Sylva had coined Yehuecauhceratops—Ancient horn face—for those very fossils, which increased the previously depressing Mexican "horn faced" ceratopsid count to a slightly less depressing four, with two-a-piece belonging to the chasmosaurine and centrosaurine branches. Unfortunately, the heel dragging meant Yehuecauhceratops was runner up in the "first named dinosaur of 2017" race, and beaten to the title by a large-handed Spanish iguanodontid called Magnomanus soriaensis. The funny thing is; the latter was named in the Spanish Journal of Paleontology that appeared online in earliest 2017 as an empty text link with a 2016 date, but no mention of when or if the critters within had been registered digitally with "Zoobank" (the Official Register of Zoological Nomenclature), or if permanent ink on paper copies were available to cement their validity in the eyes of the ICZN (International Commission on Zoological Nomenclature). The result may yet be overturned.
(Mude's ancient horn face?)Etymology
Yehuecauhceratops is derived from the Nahuatl "Yehuecauh" (ancient), and the Greek "ceras" (horned) and "ops" (face).
The species epithet, mudei, is derived from an acronym of the Museo del Desierto (MUDE).
Discovery
The remains of Yehuecauhceratops were discovered in the Aguja Formation at La Salada, Ocampo, northern Coahuila, Mexico, between 2007 and 2010 during a joint expedition of Museo del Desierto and the University of Pennsylvania, led by Héctor Eduardo de Rivera-Sylva. The holotype (CPC 274) is a partial skeleton and skull.
Estimations
Timeline:
Era: Mesozoic
Epoch: Late Cretaceous
Stage: Campanian
Age range: 74-72 mya
Stats:
Est. max. length: 3 meters
Est. max. hip height: ?
Est. max. weight: 200 Kg
Diet: Herbivore
References
• Rivera-Sylva HE, Hedrick BP, Dodson P (2016) "A Centrosaurine (Dinosauria: Ceratopsia) from the Aguja Formation (Late Campanian) of Northern Coahuila, Mexico".
PLoS ONE 11(4): e0150529.
• Rivera-Sylva HE, Frey E, Stinnesbeck W, Guzmán-Gutiérrez JR and González-González AH (2017) "Mexican ceratopsids: Considerations on their diversity and evolution".
Journal of South American Earth Sciences / doi: 10.1016/j.jsames.2017.01.008.
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To cite this page:
Atkinson, L. "YEHUECAUHCERATOPS :: from DinoChecker's dinosaur archive".
›. Web access: 29th Apr 2017.
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