Ejinhoro Formation
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 113 Ma | |
---|---|
Type | Geological formation |
Lithology | |
Primary | Sandstone |
Other | Mudstone, siltstone |
Location | |
Coordinates | 39.4°N 108.4°E |
Approximate paleocoordinates | 40.5°N 105.5°E |
Region | Inner Mongolia |
Country | ![]() |
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
Dinosaurs
Dinosaurs | ||||
---|---|---|---|---|
Taxa | Presence | Notes | Images | |
Genus:
|
Isolated teeth. |
A sauropod. |
| |
|
A ceratopsian. | |||
|
A large saurischian. | |||
|
"Near-complete articulated skeleton."[4] |
A troodontid. | ||
|
Isolated teeth. |
A stegosaurid. | ||
|
A large stegosaurid. "Partial skeleton, plate, vertebra, adult."[5] | |||
Indeterminate pterosaur remains have also been recovered from the formation.[6]
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See also
- List of dinosaur-bearing rock formations
References
- 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.
- "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
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