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{{Short description|Geological formation in Dundgov, Mongolia}}
{{Infobox rockunit
| name = Shinekhudag Formation
| image =
| caption =
| type = [[Geological formation]]
| age = {{fossilrange|Berriasian|Valanginian}}
| prilithology =[[Sandstone]], [[argillite]], [[marl]], [[clay]]
| otherlithology =
| namedfor =
| namedby =
| region = [[Dundgov]]
| country = [[Mongolia]]
| coordinates =
| unitof =
| subunits =
| underlies = [[Khukhtek Formation]]<ref name="google">{{cite book|title=Cretaceous Environments of Asia|author1=Okada, H.|author2=Mateer, N.J.|date=2000|publisher=Elsevier Science|isbn=9780080530093|url=https://books.google.com/books?id=6Z1vBXKQSh4C|page=62|access-date=2015-05-17}}</ref>
| overlies = [[Tsagaantsav Svita]]
| thickness =
| extent =
| area =
| map =
| map_caption =
|period=Valanginian}}
The '''Shinekhudag Formation''' (also known as Shinekhudug Formation, Shinekhudag or Shinekhudukskaya Svita) is a geological [[Formation (geology)|formation]] in [[Dundgovi Province|Dundgov]], [[Mongolia]] whose strata date back to the [[Early Cretaceous]]. Dinosaur remains have been recovered from it.<ref name="cretaceousdistribution">Weishampel, David B; et al. (2004). "Dinosaur distribution (Early Cretaceous, Asia)." In: Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. Pp. 563-570. {{ISBN|0-520-24209-2}}.</ref><ref>{{Cite book|last=Benton, M. J. (Michael J.)|url=http://worldcat.org/oclc/53710242|title=The age of dinosaurs in Russia and Mongolia|date=2003|publisher=Cambridge University Press|isbn=0-521-54582-X|pages=259|oclc=53710242}}</ref> It has formerly been considered Aptian-Albian in age, but more recent research suggests an earlier [[Berriasian]]-[[Hauterivian]] age.<ref>{{Cite journal|last1=Adiya|first1=Tsolmon|last2=Johnson|first2=Cari L.|last3=Loewen|first3=Mark A.|last4=Ritterbush|first4=Kathleen A.|last5=Constenius|first5=Kurt N.|last6=Dinter|first6=Cory M.|date=2017-11-21|editor-last=Wong|editor-first=William Oki|title=Microbial-caddisfly bioherm association from the Lower Cretaceous Shinekhudag Formation, Mongolia: Earliest record of plant armoring in fossil caddisfly cases|journal=PLOS ONE|language=en|volume=12|issue=11|pages=e0188194|doi=10.1371/journal.pone.0188194|issn=1932-6203|pmc=5697877|pmid=29161280|bibcode=2017PLoSO..1288194A|doi-access=free}}</ref>

==Vertebrate paleofauna==
{{Paleobiota-key-compact}}

===Dinosaurs===
{| class="wikitable" align="center" width="100%"
|-
! Genus
! Species
! Location
! Stratigraphic Position
! Material
! Notes
! Images
|-
| ''[[Harpymimus]]''<ref name=Barsbold1984>{{cite journal|last1=Barsbold|first1=R.|last2=Perle|first2=A.|date=1984|title=On first new find of a primitive orithomimosaur from the Cretaceous of the MPR|journal=Paleontological Journal|volume=2|pages=121−123}}</ref>
| ''H. okladnikovi''<ref name=Barsbold1984/>
| Khuren Dukh
|
| "Partial skull with incomplete skeleton."<ref>{{cite book|last1=Kobayashi|first1=Y.|last2=Barsbold|first2=R.|year=2005|chapter=Anatomy of Harpymimus okladnikovi Barsbold and Perle 1984 (Dinosauria; Theropoda) of Mongolia|title=The carnivorous dinosaurs|publisher=Indiana University Press|editor-last1=Carpenter|editor-first1=K.|location=Indianapolis|pages=97–126}}</ref>
| A primitive [[ornithomimosaur]].
| [[File:Harpymimus steveoc (flipped).jpg|150px]]
|-
| ''[[Iguanodon]]''<ref name=Rozh1952>{{cite journal|last1=Rozhdestvensky|first1= A. K.|date=1952|title=Открытие игуанодона в Монголии|trans-title=Discovery of an iguanodon in Mongolia|journal=Doklady Akademii Nauk SSSR|volume=84|issue=6|pages=1243−1246|language=ru}}</ref>
| ''I. orientalis''<ref name=Rozh1952/>
| Khamarin-Khural
|
| "Fragmentary skeleton."<ref name=Rozh1952/>
| A dubious [[iguanodont]] of uncertain affinities.<ref>{{cite journal|last1=Norman|first1=D. B.|date=1996|title=On Asian ornithopods (Dinosauria, Ornithischia). 1. Iguanodon orientalis Rozhdestvensky, 1952|journal=Zoological Journal of the Linnean Society|volume=116|issue=2|pages=303−315|doi=10.1006/zjls.1996.0021|doi-access=free}}</ref><ref>{{cite journal|last1=Paul|first1=G. S.|date=2008|title=A revised taxonomy of the iguanodont dinosaur genera and species|journal=Cretaceous Research|volume=29|issue=2|pages=192−216|doi=10.1016/j.cretres.2007.04.009|url=http://doc.rero.ch/record/16134/files/PAL_E2902.pdf }}</ref>
|
|-
| ''[[Psittacosaurus]]'' sp.
| Indeterminate
| Khuren Dukh
|
| "Partial skeletons."<ref>{{cite book|last1=Kalandadze|first1=N. N.|last2=Kurzanov|first2=S. M.|year=1974|chapter=Lower Cretaceous terrestrial vertebrate localities of Mongolia|title=Mesozoic and Cenozoic Faunas and Biostratigraphy of Mongolia|publisher=The Joint Soviet-Mongolian Paleontological Expedition, Transactions|editor-last1=Kramarenko|editor-first1=N. N.|editor-last2=Luvsandansan|editor-first2=B.|editor-last3=Voronin|editor-first3=Y. I.|editor-last4=Barsbold|editor-first4=R.|editor-last5=Rozhdestve|editor-first5=A. K.|pages=288–295}}</ref><ref>{{cite journal|last1=Watabe|first1=M.|last2=Suzuki|first2=S.|date=2000|title=Report on the Japan - Mongolia Joint Paleontological Expedition to the Gobi desert, 1993|journal=Hayashibara Museum of Natural Sciences Research Bulletin|volume=1|pages=17−29}}</ref>
| A primitive [[ceratopsian]].
| [[File:Psittacosaurus model.jpg|150px]]
|-
|}

== See also ==
* [[List of dinosaur-bearing rock formations]]

==References==
{{Reflist}}

{{coord missing|Mongolia}}

[[Category:Lower Cretaceous Series of Asia]]

{{paleo-site-stub}}
{{Mongolia-geo-stub}}
[[Category:Berriasian Stage]]
[[Category:Valanginian Stage]]

Shinekhudag Formation - Revision history

imported>Atremari: Added short description