Bayin-Gobi Formation
Geological formation in China
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The Bayin-Gobi Formation (simplified Chinese: 巴音戈壁组; traditional Chinese: 巴音戈壁組; pinyin: Bāyīn Gēbì Zǔ) (also known as Bayan Gobi, or Bayingebi Formation) is a geological formation in Inner Mongolia, north China, whose strata date back to Albian of the Early Cretaceous period. Dinosaur remains are among the fossils that have been recovered from the formation.
| Bayin-Gobi Formation | |
|---|---|
| Stratigraphic range: | |
| Type | Geological formation |
| Unit of | Yin-E Basin |
| Underlies | Suhongtu Formation |
| Overlies | Permian metamorphic basement |
| Thickness | 100-2120 m |
| Lithology | |
| Primary | Mudstone, Siltstone, Conglomerate |
| Other | Sandstone |
| Location | |
| Region | Asia |
| Country | China |
| Extent | Inner Mongolia |
Paleobiota of the Bayin-Gobi Formation
Color key
|
Notes Uncertain or tentative taxa are in small text; |
Dinosaurs
| Genus | Species | Location | Stratigraphic Position | Material | Notes | Images |
|---|---|---|---|---|---|---|
| Alxasaurus | A. elesitaiensis | Elesitai Village | "Partial skeletons of several specimens."[1] | A therizinosauroid. |  | |
| Bannykus | B. wulatensis | Chaoge | "Partial and articulated skeleton lacking skull."[2] | An alvarezsauroid. |  | |
| Bayannurosaurus | B. perfectus | Chulumiao | Middle section of the Upper half of the Bayingebi Formation | "Nearly complete and semi-articulated skeleton."[3] | A large ankylopollexian. |  |
| Dromaeosauridae indet. | Indeterminate | Balongwula | "Partial hindlimbs, isolated manual ungual, and ribs."[4] | A dromaeosaurid, possibly a microraptorine. |  | |
| Penelopognathus | P. weishampeli | Qiriga Village | "Isolated right dentary."[5] | A hadrosauroid. | ||
| Psittacosaurus | P. gobiensis | Suhongtu | "Skull and skeletons of multiple specimens."[6] | A ceratopsian. | ||
