| 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) | |
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]
Dinosaur remains are among the fossils that have been recovered from the formation.[2]
- ^ 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.