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Ejinhoro Formation 
Summary
The Ejinhoro Formation (simplified Chinese: 伊金霍洛组; traditional Chinese: 伊金霍洛組; pinyin: Yījīnhuòluò Zǔ) is a geological formation in Inner Mongolia, north China, whose strata date back to the Early Cretaceous period (Aptian/Albian age.[1]
| Ejinhoro Formation | |
|---|---|
| Stratigraphic range: Aptian-Albian | |
| Type | Geological formation |
| Lithology | |
| Primary | Sandstone |
| Other | Mudstone, siltstone |
| Location | |
| Coordinates | 39°24′N 108°24′E / 39.4°N 108.4°E |
| Approximate paleocoordinates | 40°30′N 105°30′E / 40.5°N 105.5°E |
| Region | Inner Mongolia |
| Country |  China |
| Extent | Ordos Basin |
  Ejinhoro Formation (China)  Ejinhoro Formation (Inner Mongolia) | |
Dinosaur remains are among the fossils that have been recovered from the formation.[2]
Fossil content edit
Mammals edit
| Mammals | ||||
|---|---|---|---|---|
| Taxa | Presence | Notes | Images | |
|
Genus:
|
A single dentary[3] |
|||
Dinosaurs edit
| Dinosaurs | ||||
|---|---|---|---|---|
| Taxa | Presence | Notes | Images | |
|
Genus:
|
Isolated teeth. |
A sauropod. |
  | |
|
A ceratopsian. | |||
|
A large saurischian. | |||
|
"Near-complete articulated skeleton."[5] |
A troodontid. | ||
|
Isolated teeth. |
A stegosaurid. | ||
|
A large stegosaurid. "Partial skeleton, plate, vertebra, adult."[6] | |||
Pterosaurs edit
Indeterminate pterosaur remains have also been recovered from the formation.[7]
See also edit
References edit
- ^ Sereno, P.C. (2010). "Taxonomy, cranial morphology, and relationships of parrot-beaked dinosaurs (Ceratopsia: Psittacosaurus)." New Perspectives on Horned Dinosaurs. Bloomington: Indiana, 21-58.
- ^ 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.
- ^ a b Zofia Kielan-Jaworowska, Richard L. Cifelli, Zhe-Xi Luo (2004). "Chapter 12: Metatherians". Mammals from the Age of Dinosaurs: origins, evolution, and structure. New York: Columbia University Press. p. 243. ISBN 978-0-231-11918-4.
{{cite book}}: CS1 maint: multiple names: authors list (link) - ^ a b "Table 22.1," in Weishampel, et al. (2004). Page 479.
- ^ "Table 9.1," in Weishampel, et al. (2004). Page 185.
- ^ "Table 16.1," in Weishampel, et al. (2004). Page 345.
- ^ 2008 - Zitteliana - Pterosaurs