Huachihuanhe Formation
| Hanhe-Huachi Formation | |
|---|---|
| Stratigraphic range: | |
| Type | Geological formation |
| Unit of | Zhidan Group |
| Underlies | Luohan Formation |
| Overlies | Luohe Formation |
| Thickness | 400-500 metres |
| Lithology | |
| Primary | Mudstone, sandstone |
| Location | |
| Region | Gansu Province |
| Country | China |
The Hanhe-Huachi formation, also called Huachi-Hanhe formation is a geologic formation in China. It is Early Cretaceous, probably Hauterivian, in age.[1] The Pterosaur Huanhepterus has been recovered from the formation.
Fossil content
Color key
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Notes Uncertain or tentative taxa are in small text; |
Pterosaurs
| Pterosaurs of the Huachihuanhe Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
| Huanhepterus | H. quingyangensis | Quiyang, Gansu Province, China | Hauterivian | A gnathosaurine ctenochasmatid | ||
See also
Footnotes
- ↑ Zhang, Mingzhen; Dai, Shuang; Zhang, Xianwen; Wang, Sen; Du, Zhen; Ma, Bo; Du, Baoxia (2020-10-07). "Conifer‐dominant palynoflora from the Lower Cretaceous in Ordos Basin, China: Biostratigraphical and palaeoclimatic implications". Geological Journal. 56 (3): 1549–1563. doi:10.1002/gj.4015. ISSN 0072-1050. S2CID 225171769.