Phu Wiang 9: Late/Upper Barremian, Thailand
collected by S. Triamwichanon 1993
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia
- Spinosauridae
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Spinosauridae indet.
Stromer 1915
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Samathi et al. 2021 | |||||||||
caudal vertebrae SM-PW9B-17, SM-PW9B-13, SM- PW9B-15, SM-PW9B-14, SMPW9B- 16, SM-PW9B-11, SM- PW9B-12, and SM-PW9A-unnumbered (Figure 2). The material seems to belong to the same animal based on the size and shared phylogenetic affinity (see description and comparison). | ||||||||||
Reptilia
- Metriacanthosauridae
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Theropoda indet.
(Marsh 1881)
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1 individual | |||||||||
= Siamotyrannus isanensis n. gen., n. sp.
Buffetaut et al. 1996
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Buffetaut et al. 1996 | |||||||||
PW9-1 | ||||||||||
see common names |
Geography
Country: | Thailand | State/province: | Khon Kaen | County: | Phu Wiang |
Coordinates: | 16.7° North, 102.3° East (view map) | ||||
Paleocoordinates: | 14.3° North, 110.9° East | ||||
Basis of coordinate: | based on nearby landmark | ||||
Altitude: | 175 meters | ||||
Geographic resolution: | outcrop |
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: | 130.00000 - 125.45000 m.y. ago |
Stratigraphy
Lithology and environment
Primary lithology: | red sandstone |
Includes fossils? | Y |
Environment: | terrestrial indet. |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils |
Preservation of anatomical detail: | good |
Associated major elements: | all |
Temporal resolution: | snapshot |
Collection methods and comments
Collection methods: | selective quarrying,mechanical,field collection | ||
Reason for describing collection: | taxonomic analysis | ||
Collectors: | S. Triamwichanon | Collection dates: | 1993 |
Collection method comments: discovered by Somchai Triamwichanon |
Metadata
Also known as: | P.W.9, Siamotyrannus type | ||
Database number: | 36160 | ||
Authorizer: | M. Carrano, P. Mannion | Enterer: | M. Carrano, G. Varnham |
Modifier: | G. Varnham | Research group: | vertebrate |
Created: | 2004-01-14 14:07:20 | Last modified: | 2022-05-05 06:20:08 |
Access level: | the public | Released: | 2004-01-14 14:07:20 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
31097. | ETE | E. Buffetaut, V. Suteethorn, V. Martin, H. Tong, Y. Chaimanee and S. Triamwichanon. 1995. New dinosaur discoveries in Thailand. International Conference on Geology, Geotechnology and Mineral Resources of Indochina (Geo-Indo '95), 22-25 November 1995, Khon Kaen, Thailand 157-161 [M. Carrano/M. Carrano] |
Secondary references:
62069 | E. Buffetaut. 1997. Southeast Asian dinosaurs. In P. J. Currie & K. Padian (ed.), Encyclopedia of Dinosaurs 689-691 [M. Carrano/M. Carrano] | |
25804 | ETE | E. Buffetaut, V. Suteethorn, and H. Tong. 1996. The earliest known tyrannosaur from the Lower Cretaceous of Thailand. Nature 381:689-691 [M. Carrano/M. Carrano/M. Carrano] |
31086 | ETE | E. Buffetaut, V. Suteethorn, H. Tong, Y. Chaimanee, and S. Khansubha. 1997. New dinosaur discoveries in the Jurassic and Cretaceous of northeastern Thailand. Proceedings of the International Conference on Stratigraphy and Tectonic Evolution of Southeast Asia and the South Pacific, 19-24 August 1997, Bangkok 177-187 [M. Carrano/M. Carrano] |
9705 | E. Buffetaut and V. Suteethorn. 1999. The dinosaur fauna of the Sao Khua Formation of Thailand and the beginning of the Cretaceous radiation of dinosaurs in Asia. Palaeogeography, Palaeoclimatology, Palaeoecology 150:13-23 [M. Carrano/M. Carrano/M. Carrano] | |
81586 | A. Samathi, P. M. Sander, and P. Chanthasit. 2021. A spinosaurid from Thailand (Sao Khua Formation, Early Cretaceous) and a reassessment of Camarillasaurus cirugedae from the Early Cretaceous of Spain. Historical Biology 33(12):3480-3494 [P. Mannion/G. Varnham] |