Otog Sumu (bed 8): Late/Upper Barremian, China
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
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Cathayornis chabuensis n. sp.
Li et al. 2008
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1 individual | |||||||||
| nomen dubium belonging to Enantiornithes | ||||||||||
| BMNHC-Ph000110a, b | ||||||||||
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Actinopteri
- Leptolepidiformes
- Leptolepididae
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Lycoptera kansuensis
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Insecta
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Insecta indet.
Linnaeus 1758
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| see common names | ||||||||||
Geography
| Country: | China | State/province: | Nei Mongol |
| Coordinates: | 38.9° North, 107.3° East (view map) | ||
| Paleocoordinates: | 40.0° North, 109.6° East | ||
| Basis of coordinate: | stated in text | ||
| Geographic resolution: | small collection |
Time
| Period: | Cretaceous | Epoch: | Early/Lower Cretaceous |
| Stage: | Barremian | 10 m.y. bin: | Cretaceous 2 |
| Key time interval: | Late/Upper Barremian | ||
| Age range of interval: | 125.77000 - 121.40000 m.y. ago |
Stratigraphy
| Geological group: | Zhidan | Formation: | Jingchuan | ||
| Local section: | Chabu Sumu | Local bed: | 8 | ||
| Local order: | bottom to top | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: "earliest Cretaceous or possible even Late Jurassic in age" when originally assigned to Yijunhuoluo Fm.; now "middle-late Early Cretaceous" | |||||
Lithology and environment
| Primary lithology: | planar lamination,gray,green,white "shale" |
| Includes fossils? | Y |
| Lithology description: 32 cm thick bed of grey white shale with horizontal bedding | |
| Environment: | fluvial-lacustrine indet. |
Taphonomy
| Modes of preservation: | body,adpression,soft parts |
| Size of fossils: | macrofossils |
| Articulated whole bodies: | some |
Collection methods and comments
| Collection methods: | surface (in situ),survey of museum collection |
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | IVPP |
Metadata
| Also known as: | Otog Qi | ||
| Database number: | 91202 | ||
| Authorizer: | M. Carrano | Enterer: | M. Carrano |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 2009-09-10 21:08:47 | Last modified: | 2021-05-27 13:23:05 |
| Access level: | the public | Released: | 2009-09-10 21:08:47 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 30693. | ETE | J. Li, Z. Li, Y. Zhang, Z. Zhou, Z. Bai, L. Zhang, and T. Ba. 2008. A new species of Cathayornis from the Lower Cretaceous of Inner Mongolia, China and its stratigraphic significance. Acta Geologica Sinica 82(6):1115-1123 [M. Carrano/M. Carrano] |
Secondary references:
| 76723 | B. Wang, J. Li, Z. Bai, J. Chang, and Y. Zhang. 2017. The first discovery of deinonychosaurian tracks from Lower Cretaceous of Chabu, Otog Qi, Inner Mongolia and its significance. Acta Scientiarum Naturalium Universitatis Pekinensis 53(1):81-90 [M. Carrano/M. Carrano/M. Carrano] | |
| 54093 | M. Wang and D. Liu. 2015. Taxonomical reappraisal of Cathayornithidae (Aves: Enantiornithes). Journal of Systematic Palaeontology [P. Mannion/J. Tennant] |