Lamadong, Jianchang: Aptian, China
collected by G. Chen
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia
- Dromaeosauridae
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Microraptor sp.
Xu et al. 2000
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Li et al. 2014 | 1 individual | ||||||||
BMNHC PH881 | ||||||||||
Reptilia
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Bellulia rectusunguis n. gen., n. sp.
Wang et al. 2016
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Wang et al. 2016 | 1 specimen | ||||||||
IVPP V17970 | ||||||||||
Reptilia
- Schizoouridae
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Mengciusornis dentatus n. gen., n. sp.
Wang et al. 2020
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Wang et al. 2020 | 1 specimen | ||||||||
IVPP V26275 | ||||||||||
Reptilia
- Pengornithidae
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Chiappeavis magnapremaxillo n. gen., n. sp.
O'Connor et al. 2016
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O'Connor et al. 2016 | 1 specimen | ||||||||
STM29-11 | ||||||||||
Reptilia
- Bohaiornithidae
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Sulcavis geeorum n. gen., n. sp.
O'Connor et al. 2013
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O'Connor et al. 2013 | 1 individual | ||||||||
BMNH Ph-000805 (holotype slab skeleton) from 'near Lamadong Village' | ||||||||||
Bohaiornis guoi n. gen., n. sp.
Hu et al. 2011
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1 individual | |||||||||
LPM B00167 | ||||||||||
Reptilia
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Ikrandraco avatar n. gen., n. sp.
Wang et al. 2014
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Wang et al. 2014 | 1 individual | ||||||||
IVPP V18199 | ||||||||||
Reptilia
- Anurognathidae
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Versperopterylus lamadongensis n. gen., n. sp.
Lu et al. 2017
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Lu et al. 2017 | 1 specimen | ||||||||
BMNHC-PH-001311 | ||||||||||
see common names |
Geography
Country: | China | State/province: | Liaoning | County: | Jianchang |
Coordinates: | 40.7° North, 119.7° East (view map) | ||||
Paleocoordinates: | 43.8° North, 120.0° East | ||||
Basis of coordinate: | based on nearby landmark | ||||
Geographic resolution: | small collection |
Time
Period: | Cretaceous | Epoch: | Early/Lower Cretaceous |
Stage: | Aptian | 10 m.y. bin: | Cretaceous 3 |
Key time interval: | Aptian | ||
Age range of interval: | 125.00000 - 113.00000 m.y. ago |
Stratigraphy
Geological group: | Jehol | Formation: | Jiufotang | ||
Stratigraphic resolution: | bed | ||||
Stratigraphy comments: "part of, or laterally equivalent to, the Lower Cretaaceous Yixian Formation, but more data are needed to confirm this" (Hu et al. 2011)
Li et al. (2014) state that "Recent fieldwork confirmed the outcrops of fossil beds exposed in Lamadong Village mainly belong to the Jiufotang Formation (X. L. Wang, personal commun.)". |
Lithology and environment
Primary lithology: | sandstone |
Secondary lithology: | mudstone |
Lithology description: The Jiufotang Formation mainly comprises lacustrine sandstones, shales, mudstones, and tuffs interbedded within the sediments. | |
Environment: | lacustrine indet. |
Taphonomy
Modes of preservation: | body,adpression,soft parts |
Lagerst�tten type: | conservation |
Degree of concentration: | dispersed |
Size of fossils: | macrofossils |
Preservation of anatomical detail: | excellent |
Fragmentation: | none |
Temporal resolution: | snapshot |
Spatial resolution: | parautochthonous |
Collection methods and comments
Collection methods: | field collection |
Reason for describing collection: | taxonomic analysis |
Collectors: | G. Chen |
Collection method comments: collected by Mr. Guo Chen |
Metadata
Database number: | 105772 | ||
Authorizer: | M. Carrano, R. Butler, G. Lloyd, R. Benson | Enterer: | M. Carrano, R. Benson, G. Lloyd, R. Butler |
Modifier: | F. Villegas-Garin | Research group: | vertebrate |
Created: | 2011-02-25 02:52:38 | Last modified: | 2017-04-29 11:20:40 |
Access level: | the public | Released: | 2011-02-25 02:52:38 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
35309. | ETE | D. Hu, L. Li, L. Hou and X. Xu. 2011. A new enantiornithine bird from the Lower Cretaceous of western Liaoning, China. Journal of Vertebrate Paleontology 31(1):154-161 [M. Carrano/M. Carrano] |
Secondary references:
62123 | H. Y. He, X. L. Wang, Z. H. Zhou, F. Wang, A. Boven, G. H. Shi, and R. X. Zhu. 2004. Timing of the Jiufotang Formation (Jehol Group) in Liaoning, northeastern China, and its implications. Geophysical Research Letters 31(12):1-4 [M. Uhen/F. Villegas-Garin/M. Uhen] | |
52405 | Q. Li, J. A. Clarke, K.-Q. Gao, C.-F. Zhou, Q. Meng, D. Li, L. D'Alba and M. D. Shawkey. 2014. Melanosome evolution indicates a key physiological shift within feathered dinosaurs. Nature 507:350-353 [M. Carrano/M. Carrano] | |
49836 | Z. Li, Z. Zhou, M. Wang and J. A. Clarke. 2014. A new specimen of large-bodied basal enantiornithine Bohaiornis from the Early Cretaceous of China and the inference of feeding ecology in Mesozoic birds. Journal of Paleontology 88(1):99-108 [P. Mannion/P. Mannion] | |
66065 | J.-C. Lu, Q.-J. Meng, B.-P. Wang, DLiu, C.-Z. Shen and Y.-G. Zhang. 2017. Short note on a new anurognathid pterosaur with evidence of perching behaviour from Jianchang of Liaoning Province, China. In D. W. E. Hone, M. P. Witton, D. M. Martill (eds.), Geological Society of London Special Publications 455:95-104 [G. Lloyd/G. Lloyd] | |
67472 | J. K. O'Connor, X.-L. Wang, X.-T. Zheng, H. Hu, X.-M. Zhang and Z.-H. Zhou. 2016. An enantiornithine with a fan-shaped tail, and the evolution of the rectricial complex in early birds. Current Biology 26:114-119 [G. Lloyd/G. Lloyd/P. Wagner] | |
44215 | J. K. O'Connor, Y. -G. Zhang, L. M. Chiappe, Q. Meng, Q. Li and D. Liu. 2013. A new enantiornithine from the Yixian Formation with the first recognized avian enamel specialization. Journal of Vertebrate Paleontology 33(1):1-12 [R. Benson/R. Benson] | |
71251 | M. Wang, J. K. O'Connor, S. Zhou and Z.-H. Zhou. 2020. New toothed Early Cretaceous ornithuromorph bird reveals intraclade diversity in pattern of tooth loss. Journal of Systematic Palaeontology [G. Lloyd/G. Lloyd] | |
66138 | M. Wang, Z.-H. Zhou, and S. Zhou. 2016. A new basal ornithuromorph bird (Aves: Ornithothoraces) from the Early Cretaceous of China with implication for morphology of early Ornithuromorpha. 176(1):207-223 [G. Lloyd/G. Lloyd] | |
59181 | X. Wang, T. Rodrigues, S. Jiang, X. Cheng, and A. W. A. Kellner. 2014. An Early Cretaceous pterosaur with an unusual mandibular crest from China and a potential novel feeding strategy. Scientific Reports 4(6329) [R. Butler/R. Butler] |