Dawa bonebed: Sinemurian, China
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
- Massospondylidae
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? Lufengosaurus sp.
Young 1940
|
24 individuals | |||||||||
| C2019 embryonic skeletons and eggshells | ||||||||||
| see common names | ||||||||||
Geography
| Country: | China | State/province: | Yunnan | County: | Chuxiong |
| Coordinates: | 25.2° North, 102.1° East (view map) | ||||
| Paleocoordinates: | 33.8° North, 105.8° East | ||||
| Basis of coordinate: | estimated from map | ||||
| Geographic resolution: | small collection |
Time
| Period: | Jurassic | Epoch: | Early/Lower Jurassic |
| Stage: | Sinemurian | 10 m.y. bin: | Jurassic 1 |
| Key time interval: | Sinemurian | ||
| Age range of interval: | 199.50000 - 192.90000 m.y. ago |
Stratigraphy
| Formation: | Lufeng | Member: | Zhangjia'ao | ||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: 3-5 m below top of formation | |||||
Lithology and environment
| Primary lithology: | massive,bioturbation,nodular calcareous siltstone |
| Includes fossils? | Y |
| Lithology description: "a heavily bioturbated, massive siltstone" | |
| Environment: | "floodplain" |
Taphonomy
| Modes of preservation: | body,soft parts |
| Size of fossils: | mesofossils |
| Spatial resolution: | parautochthonous |
Collection methods and comments
| Collection methods: | surface (in situ),field collection |
| Reason for describing collection: | paleoecologic analysis |
Metadata
| Database number: | 206023 | ||
| Authorizer: | M. Carrano | Enterer: | M. Carrano |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 2019-10-28 13:03:37 | Last modified: | 2023-07-20 14:55:30 |
| Access level: | the public | Released: | 2019-10-28 13:03:37 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 70670. | R. R. Reisz, T. D. Huang, E. M. Roberts, S. Peng, C. Sullivan, K. Stein, A. R. H. LeBlanc, D. Shieh, R. Chang, C. Chiang, C. Yang and S. Zhong. 2013. Embryology of Early Jurassic dinosaur from China with evidence of preserved organic remains. Nature 496:210-214 [M. Carrano/M. Carrano] |
Secondary references:
| 70665 | K. Stein, E. Prondval, T. Huang, J.-M. Baele, P. M. Sander and R. Reisz. 2019. Structure and evolutionary implications of the earliest (Sinemurian, Early Jurassic) dinosaur eggs and eggshells. Scientific Reports 9(1):4424:1-9 [M. Carrano/M. Carrano] |