List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Chondrichthyes
- Hybodontiformes
- Hybodontidae
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Thaiodus ruchae
Cappetta et al. 1990
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Cappetta et al. 2006 | |||||||||
PRCMR301 | ||||||||||
Hybodus sp.
Agassiz 1834
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Cappetta et al. 2006 | |||||||||
= Hybodus aequitridentatus
Cuny et al. 2008
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Cuny et al. 2008 | |||||||||
"Hybodus” aequitridentatus; TF 7645; PRCMR303 | ||||||||||
Heteroptychodus aff. steinmanni
Yabe and Obata 1930
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Cappetta et al. 2006 | |||||||||
= Heteroptychodus steinmanni
Yabe and Obata 1930
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Manitkoon et al. 2021 | |||||||||
RCMR304 | ||||||||||
Heteroptychodus steinmanni
Yabe and Obata 1930
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Cuny et al. 2008 | |||||||||
170 partial teeth: TF 7647-50, TF 7679, | ||||||||||
Chondrichthyes
- Hybodontiformes
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Acrorhizodus khoratensis n. gen., n. sp.
Cappetta et al. 2006
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Cappetta et al. 2006 | |||||||||
Holotype: SDRC 17; PRCMR305 | ||||||||||
Sinamiidae
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Sinamiidae indet.
Berg 1940
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Cavin et al. 2009 | 9 specimens | ||||||||
TF 8029-8032 | ||||||||||
= cf. Siamamia sp.
Cavin et al. 2007
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Manitkoon et al. 2021 | |||||||||
Actinopteri
- Lepisosteiformes
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Lepidotes sp.
Agassiz 1832
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Amiot et al. 2009 | 2 specimens | ||||||||
= Lepisosteiformes indet.
Hay 1929
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Manitkoon et al. 2021 | |||||||||
Lanxangichthys sp.
Cavin et al. 2019
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Cavin et al. 2019 | 2 specimens | ||||||||
An isolated infraorbital belonging to the seriesanterior to the orbit (PRC 65), and an indeterminate skullroof bone (PRC 66) | ||||||||||
Actinopteri
- Semionotiformes
- Semionotidae
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Semionotidae indet.
Woodward 1890
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Cavin et al. 2009 | |||||||||
thousands of scales | ||||||||||
Reptilia
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Pterosauria indet.
(Kaup 1834)
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Manitkoon et al. 2021 | |||||||||
PRCMR317 (Tooth) | ||||||||||
Theropoda indet.
(Marsh 1881)
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Buffetaut et al. 2005 | 3 specimens | ||||||||
Reptilia
- Spinosauridae
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? Spinosauridae indet.
Stromer 1915
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3 specimens | |||||||||
teeth | ||||||||||
= Spinosauridae indet.
Stromer 1915
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Wongko et al. 2019 | |||||||||
PM2016–1–003, PM2016–1– 004, and PM2016–1–005 | ||||||||||
Reptilia
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Nemegtosauridae indet.
Upchurch 1995
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Buffetaut et al. 2002 | 1 specimen | ||||||||
teeth | ||||||||||
= Macronaria indet.
Sereno 1997
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Manitkoon et al. 2021 | |||||||||
PRCMR315 | ||||||||||
Iguanodontidae indet.
Bonaparte 1850
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2 individuals | |||||||||
"teeth and postcranial bones" | ||||||||||
= Styracosterna indet.
Sereno 1986
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Samathi and Suteethorn 2022 | |||||||||
UB1-A, partial adult skeleton; UBA-B, juvenile specimen | ||||||||||
= Iguanodontia indet.
Baur 1891
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Manitkoon et al. 2023 | |||||||||
teeth and postcranial: cervical vertebra (PRC 155); dorsal vertebra (SM2021-1-113); proximal caudal vertebra (SM2021-1-114); distal caudal vertebrae (PRC 156, SM2021-1-115); chevron (PRC 157); metacarpal (SM2021-1-116); L femur (SM2021-1-117) (Fig. 3H); R femur (SM2021-1-118); tibia (SM2021-1-119); fibula (PRC 158); phalanx (SM2021-1-120) | ||||||||||
Crocodilia indet.
Owen 1842
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Amiot et al. 2009 | 2 specimens | ||||||||
= Neosuchia indet.
Clark 1988
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Manitkoon et al. 2021 | |||||||||
Osteoderms and teeth | ||||||||||
Reptilia
- Goniopholididae
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Goniopholididae indet.
Cope 1875
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Manitkoon et al. 2021 | |||||||||
SM2021-1-112 | ||||||||||
Reptilia
- Testudines
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Kizylkumemys khoratensis
Tong et al. 2005
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Joyce 2014 | |||||||||
Chelonia indet.
(Latreille 1800)
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Amiot et al. 2009 | 1 specimen | ||||||||
synonym of Testudines | ||||||||||
Reptilia
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Shachemys sp.
Kuznetsov 1976
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Tong et al. 2009 | |||||||||
= Trionychoidae indet.
Hay 1930
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Manitkoon et al. 2021 | |||||||||
unclassified
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Khoratodus foreyi
Cuny et al. 2008
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Cuny et al. 2008 | |||||||||
Holotype: TF 7680; PRCMR302 | ||||||||||
see common names |
Geography
Country: | Thailand | State/province: | Ubon Ratchathani | County: | Si Muang Mai |
Coordinates: | 15.2° North, 104.9° East (view map) | ||||
Paleocoordinates: | 16.0° North, 113.0° East | ||||
Basis of coordinate: | based on nearby landmark | ||||
Altitude: | 123 meters | ||||
Geographic resolution: | small collection |
Stratigraphy
Geological group: | Khorat | Formation: | Khok Kruat |
Stratigraphic resolution: | bed |
Lithology and environment
Primary lithology: | brown,red claystone |
Secondary lithology: | "cross stratification",fine,medium,brown,red sandstone |
Lithology description: "The deposits exposed at Khok Pha Suam locality are of reddish brown color, very thin to thin bedded claystone grading up to thin bedded siltstone interbedded with fine- to medium- grained sandstone. Sandstone beds are micro-crossbedded. A calcrete horizon (paleosol) has been found at the top of the succession." | |
Environment: | fluvial indet. |
Geology comments: "a meandering system deposit" |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils,mesofossils |
Disassociated major elements: | some |
Collection methods and comments
Collection methods: | surface (in situ),field collection | ||
Reason for describing collection: | general faunal/floral analysis | ||
Collectors: | S. Chandharukkha | Collection dates: | 1997–1999, 2005, 2021 |
Collection method comments: "The site was discovered by a local teacher, Mr. Skolwathn Chandharukkha, and has been explored between 1997 and 1999 by a Thai-French expedition led by the Department of Mineral Resources Thailand and Centre national de la recherche scientifique, France" |
Metadata
Also known as: | Khok Pa Suam | ||
Database number: | 52346 | ||
Authorizer: | M. Carrano, M. Bell, P. Mannion | Enterer: | M. Carrano, M. Bell, P. Mannion |
Modifier: | M. Carrano | Research group: | vertebrate |
Created: | 2005-08-03 13:44:30 | Last modified: | 2023-01-13 09:52:05 |
Access level: | the public | Released: | 2005-08-03 13:44:30 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
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] |
Secondary references:
30939 | ETE | R. Amiot, E. Buffetaut, C. Lécuyer, V. Fernandez, F. Fourel, F. Martineau, and V. Suteethorn. 2009. Oxygen isotope composition of continental vertebrate apatites from Mesozoic formations of Thailand; environmental and ecological significance. In E. Buffetaut, G. Cuny, J. Le Loeuff, V. Suteethorn (eds.), Late Palaeozoic and Mesozoic Ecosystems in SE Asia. The Geological Society of London, Special Publication 315:271-283 [M. Carrano/M. Carrano] |
43669 | R. Amiot, X. Wang, Z. Zhou, X. Wang, E. Buffetaut, C. Lécuyer, Z. Ding, F. Fluteau, T. Hibino, N. Kusuhashi, J. Mo, V. Suteethorn, Y. Wang, X. Xu, and F. Zhang. 2011. Oxygen isotopes of East Asian dinosaurs reveal exceptionally cold Early Cretaceous climates. Proceedings of the National Academy of Sciences 108(13):5179-5183 [M. Carrano/M. Carrano] | |
36763 | ETE | E. Buffetaut. 1998. The succession of dinosaur assemblages in Thailand. In A. M. G. de Carvalho, A. M. Andrade, V. F. dos Santos, J. Cascalho, R. Taborda, (eds.), I Encontro Internacional sobre Paleobiologia dos Dinossáurios. Museu Nacional de História Natural, Lisboa 89-97 [M. Carrano/M. Carrano] |
14080 | ETE | E. Buffetaut and V. Suteethorn. 1998. Early Cretaceous dinosaurs from Thailand and their bearing on the early evolution and biostratigraphical history of some groups of Cretaceous dinosaurs. In S. G. Lucas, J. I. Kirkland, and J. W. Estep (eds.), Lower and Middle Cretaceous Terrestrial Ecosystems, New Mexico Museum of Natural History and Science Bulletin 14:205-210 [M. Carrano/M. Carrano/M. Carrano] |
31132 | ETE | E. Buffetaut, V. Suteethorn, J. Le Loeuff, G. Cuny, H. Tong and S. Khansubha. 2002. A review of the sauropod dinosaurs of Thailand. The Symposium on Geology of Thailand, Bangkok, 26-31 August 2002 95-101 [M. Carrano/M. Carrano] |
31069 | ETE | E. Buffetaut, V. Suteethorn, J. Le Loeuff, S. Khansubha, H. Tong and K. Wongko. 2005. The dinosaur fauna from the Khok Kruat Formation (Early Cretaceous) of Thailand. International Conference on Geology, Geotechnology and Mineral Resources of Indochina (GEOINDO 2005), 28-30 November 2005, Khon Kaen, Thailand 575-581 [M. Carrano/M. Carrano] |
45597 | H. Cappetta, E. Buffetaut, G. Cuny and V. Suteethorn. 2006. A new elasmobranch assemblage from the Lower Cretaceous of Thailand. Palaeontology 49(3):547-555 [M. Bell/M. Bell] | |
30931 | ETE | L. Cavin, U. Deesri, and V. Suteethorn. 2009. The Jurassic and Cretaceous bony fish record (Actinopterygii, Dipnoi) from Thailand. In E. Buffetaut, G. Cuny, J. Le Loeuff, V. Suteethorn (eds.), Late Palaeozoic and Mesozoic Ecosystems in SE Asia. The Geological Society of London, Special Publication 315:125-139 [M. Carrano/M. Carrano/M. Carrano] |
83630 | L. Cavin, U. Deesri, M. Veran, B. Khentavonge, P. Jintasakulf, P. Chanthasitg, and R. Allain. 2019. A new Lepisosteiformes (Actinopterygii: Ginglymodi) from the Early Cretaceous of Laos and Thailand, SE Asia. Journal of Systematic Palaeontology 17(5):593-407 [M. Carrano/M. Carrano] | |
30537 | G. Cuny, V. Suteethorn, S. Kamha and E. Buffetaut. 2008. Hybodont sharks from the Lower Cretaceous Khok Kruat Formation of Thailand, and hybodont diversity during the Early Cretaceous. Geological Society Special Publications 295:93-107 [J. Alroy/J. Alroy/J. Alroy] | |
63405 | W. G. Joyce. 2014. A Review of the Fossil Record of Turtles of the Clade Pan-Carettochelys. Bulletin of the Peabody Museum of Natural History 55(1):3-33 [P. Mannion/P. Mannion] | |
80952 | S. Manitkoon, U. Deesri, K. Lauprasert, P. Warapeang, T. Nonsrirach, A. Nilpanapan, K. Wongko and P. Chanthasit. 2021. Fossil assemblage from the Khok Pha Suam locality of northeastern, Thailand: an overview of vertebrate diversity from the Early Cretaceous Khok Kruat Formation (Aptian-Albian). Fossil Record 25(1):83-98 [P. Mannion/P. Mannion] | |
83628 | S. Manitkoon, U. Deesri, P. Warapeang, T. Nonsrirach, and P. Chanthasit. 2023. Ornithischian dinosaurs in Southeast Asia: a review with palaeobiogeographic implications. Fossil Record 26(1):1-25 [M. Carrano/M. Carrano] | |
80583 | A. Samathi and S. Suteethorn. 2022. New materials of iguanodontians (Dinosauria: Ornithopoda) from the Lower Cretaceous Khok Kruat Formation, Ubon Ratchathani, Thailand. Zootaxa 5094(2):301-320 [M. Carrano/M. Carrano] | |
30932 | ETE | H. Tong, J. Claude, V. Suteethorn, W. Naksri, and E. Buffetaut. 2009. Turtle assemblages of the Khorat Group (Late Jurassic-Early Cretaceous) of NE Thailand and their palaeobiogeographical significance. In E. Buffetaut, G. Cuny, J. Le Loeuff, V. Suteethorn (eds.), Late Palaeozoic and Mesozoic Ecosystems in SE Asia. The Geological Society of London, Special Publication 315:141-152 [M. Carrano/M. Carrano/M. Carrano] |
80817 | K. Wongko, E. Buffetaut, S. Khamha and K. Lauprasert. 2019. Spinosaurid theropod teeth from the red beds of the Khok Kruat Formation (Early Cretaceous) in northeastern Thailand. Tropical Natural History 19(1):8-20 [M. Carrano/M. Carrano] | |
83328 | K. Wongko, K. Lauprasert, E. Buffetaut, S. Suteethorn, and V. Suteethorn. 2011. The palaeoenvironment of the spinosaurid‐bearing strata in the Khok Kruat Formation from northeastern Thailand. In A. van der Geer & A. Athanassiou (ed.), European Association of Vertebrate Palaeontologists, 9th Annual Meeting, Program and Abstracts 62 [M. Carrano/M. Carrano/M. Carrano] |