Naobaogou Formation
The Naobaogou Formation is a geological formation in the Daqing Mountains of China. It is of Lopingian age. It consists of three rhythms of sediment, labelled members I-III primarily of purple siltstone, but each with a thick basal conglomerate. It is notable for its fossil content, producing one of the most diverse Late Permian vertebrate faunas outside Russia and South Africa.
| Naobaogou Formation Stratigraphic range: Lopingian | |
|---|---|
| Type | Geological formation |
| Sub-units | Members I-III |
| Underlies | Laowopu Formation |
| Overlies | Shiyewan Formation |
| Thickness | More than 1000 m |
| Lithology | |
| Primary | Siltstone |
| Other | Conglomerate |
| Location | |
| Country |  |
| Extent | Daqing Mountains |
Vertebrate Fauna
| Genus | Species | Material | Notes |
|---|---|---|---|
| Caodeyao [1] | C. liuyufengi | Partial skull, mandible, humerus | A Eutherocephalian, closely related to Purlovia. |
| Daqingshanodon[2] | D. limbus | Skull | Dicynodont |
| Elginia[3] | E. wuyongae | Partial skull | Pareiasaur |
| Jiufengia[4] | J. Jiai | Partial skull and postcranial skeleton | Akidnognathid Therocephalian |
| Shiguaignathus[5] | S. wangi | Partial skull | Akidnognathid Therocephalian |
| Gansurhinus[6] | G. qingtoushanensis | Captorhinid | |
| Dicynodontia | Indeterminate | Partial skulls | 6 additional morphotypes in addition to Daqingshanodon, 2 of which are closely related to the former taxon 3 or 4 related to Jimusaria, one possibly closely related to Turfanodon.[7] |
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References
- Liu, Jun; Abdala, Fernando (2020-05-28). "The tetrapod fauna of the upper Permian Naobaogou Formation of China: 5. Caodeyao liuyufengi gen. et sp. nov., a new peculiar therocephalian". PeerJ. 8: e9160. doi:10.7717/peerj.9160. ISSN 2167-8359. PMC 7261480. PMID 32523808.
- Zhuh Y (1989). "The discovery of dicynodonts in Daqingshan Mountain, Nei Mongol (Inner Mongolia)" (PDF). Vertebrata PalAsiatica. 27 (1): 9–27.
- Liu J, Bever GS (May 2018). Angielczyk K (ed.). "The tetrapod fauna of the upper Permian Naobaogou Formation of China: a new species of Elginia (Parareptilia, Pareiasauria)". Papers in Palaeontology. 4 (2): 197–209. doi:10.1002/spp2.1105.
- Liu J, Abdala F (2019-02-22). "Jiufengia jiai gen. et sp. nov., a large akidnognathid therocephalian". PeerJ. 7: e6463. doi:10.7717/peerj.6463. PMC 6388668. PMID 30809450.
- Liu J, Abdala F (2017-12-06). "Shiguaignathus wangi gen. et sp. nov., the first akidnognathid therocephalian from China". PeerJ. 5: e4150. doi:10.7717/peerj.4150. PMC 5723136. PMID 29230374.
- Reisz RR, Liu J, Li JL, Müller J (May 2011). "A new captorhinid reptile, Gansurhinus qingtoushanensis, gen. et sp. nov., from the Permian of China". Die Naturwissenschaften. 98 (5): 435–41. Bibcode:2011NW.....98..435R. doi:10.1007/s00114-011-0793-0. PMID 21484260.
- Liu, J. (2019). "The tetrapod fauna of the upper Permian Naobaogou Formation of China— 4. the diversity of dicynodonts". Vertebrata PalAsiatica: 173–180. doi:10.19615/j.cnki.1000-3118.190522.
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