Bayin-Gobi Formation
Geological formation in China
From Wikipedia, the free encyclopedia
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 |
Fossil content
Color key
|
Notes
Uncertain or tentative taxa are in small text
crossed out taxa are discredited.
Dinosaurs
Ornithischians
| Ornithischians of the Bayin-Gobi Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Material | Notes | Image |
| Bayannurosaurus[1] | B. perfectus | Chulumiao | Middle section of the upper half | Nearly complete and semi-articulated skeleton | A large styracosternan iguanodontian |  |
| Penelopognathus[2] | P. weishampeli | Qiriga Village | Isolated right dentary | A hadrosauroid ornithopod | ||
| Ornithischia indet.[3] | Indeterminate | Guaizihu | Upper part | A sacral rib and several partial caudal vertebrae | An ornithischian with vertebral proportions similar to Psittacosaurus | |
| Psittacosaurus[4] | P. gobiensis | Suhongtu | Skull and skeletons of multiple specimens | A psittacosaurid ceratopsian | ||
Theropods
| Theropods of the Bayin-Gobi Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Material | Notes | Image |
| Alxasaurus[5] | A. elesitaiensis | Elesitai Village | Partial skeletons of several specimens | A therizinosauroid theropod |  | |
| Bannykus[6] | B. wulatensis | Chaoge | Partial and articulated skeleton lacking skull | A alvarezsauroid theropod |  | |
| Dromaeosauridae indet.[7] | Indeterminate | Balongwula | Partial hindlimbs, isolated manual ungual, and ribs | A dromaeosaurid theropod; possibly a microraptorine |  | |
