Phu Phan Tong: Late/Upper Barremian, Thailand
collected 1999,2000,2001,2002

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Chondrichthyes - Hybodontiformes - Hybodontidae
Heteroptychodus steinmanni Yabe and Obata 1930
Hybodus sp. Agassiz 1834
Chondrichthyes - Hybodontiformes - Lonchidiidae
Isanodus paladeji n. gen., n. sp. Cuny et al. 2006
Lonchidion khoratensis n. sp. Cuny et al. 2006
see common names

Geography
Country:Thailand State/province:Udon Thani
Coordinates: 17.1° North, 102.5° East (view map)
Paleocoordinates:14.7° North, 110.8° East
Basis of coordinate:estimated from map
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:Khorat Formation:Sao Khua
Stratigraphic resolution:bed
Stratigraphy comments: Non-marine bivalves suggest the Sao Khua Formation is late Barremian in age (Tumpeesawan et al. 2010; Samathi et al. 2019)
Lithology and environment
Primary lithology: lithified sandstone
Secondary lithology: "limestone"
Lithology description: The SaoKhuaFormation belongs to theKhorat Group, which is a succession of freshwater sandstones, clays and limestones deposited during the Mesozoic in northeastern Thailand
Environment:"floodplain"
Geology comments: the Sao
Khua Formation was probably deposited as part of an
extensive floodplain with low-energy meandering rivers
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Museum repositories:SDSM
Collection dates:1999,2000,2001,2002
Metadata
Database number:140552
Authorizer:M. Bell Enterer:M. Bell
Modifier:G. Varnham
Created:2013-03-12 01:11:03 Last modified:2022-05-05 06:14:13
Access level:the public Released:2013-03-12 01:11:03
Creative Commons license:CC BY
Reference information

Primary reference:
45531. G. Cuny, V. Suteethorn, S. Kamha, E. Buffeteut, and M. Philippe. 2006. A new hybodont shark assemblage from the Lower Cretaceous of Thailand. Historical Biology 18(1):21-31 [M. Bell/M. Bell]