Caijiachong Formation
| Caijiachong Formation | |
|---|---|
| Stratigraphic range: Late Eocene | |
| Type | Formation |
| Overlies | Gelanghe Formation[1] |
| Location | |
| Region | Yunnan |
| Country | China |
The Caijiachong Formation is a geologic formation in Yunnan, southwestern China. The Caijiachong Formation was formerly correlated to the Early Oligocene,[1][2] but is now considered to date to the Late Eocene, correlated to the Ulangochuian or Ergilian land mammal age.[1]
Mammal fossils
[edit]Artiodactyls
[edit]| Genus/family | Species | Notes/affinities | Image |
|---|---|---|---|
| Bothriodon[2] | B. chowi | An anthracothere. Fossils initially (and erroneously) assigned to Merycopotamus sp.[2] |  |
| Entelodontellus[1] | E. zhouliangi | An entelodont | |
| cf. Miomeryx[2] | cf. M. sp. | A ruminant |
Perissodactyls
[edit]| Genus/family | Species | Notes/affinities | Image |
|---|---|---|---|
| Brontotheriidae[2] | Brontotheriidae gen. indet. | An unidentified brontothere | |
| Cadurcodon[2] | C. ardynensis | An amynodont | |
| C. sp. | An amynodont | ||
| Gigantamynodon[2] | G. giganteus | An amynodont | |
| G. cf. giganteus | An amynodont | ||
| G. sp. | An amynodont | ||
| cf. Metamynodon[2] | cf. M. sp. | An amynodont |  |
| Urtinotherium | U. intermedium[2] | A paracerathere |
Other fossils
[edit]In addition to mammals, fossils of several other groups are also known from the Caijiachong Formation, including crocodiles, fishes, gastropods, and charophytes.[1]
References
[edit]- 1 2 3 4 5 Yu, Yang; Gao, Hongyan; Li, Qiang; Ni, Xijun (2023). "A new entelodont (Artiodactyla, Mammalia) from the late Eocene of China and its phylogenetic implications". Journal of Systematic Palaeontology. 21 (1). Taylor & Francis: 2189436. doi:10.1080/14772019.2023.2189436. ISSN 1477-2019.
{{cite journal}}: CS1 maint: article number as page number (link) - 1 2 3 4 5 6 7 8 9 Zhang, Youping; Long, Yuzhu; Ji, Hongxiang; Ding, Suyin (1999). "The Cenozoic Deposits of the Yunnan Region" (PDF). Professional Papers on Stratigraphy and Paleontology. Geological Publishing House, Peking.