Liangshan, Hanzhong County: Guadalupian, China
collected 1954

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Chondrichthyes - Petalodontiformes - Pristodontidae
Petalodus cf. shingkuoi Young 1950
synonym of Megactenopetalus kaibabanus
see common names

Geography
Country:China State/province:Shaanxi
Coordinates: 33.1° North, 106.9° East (view map)
Paleocoordinates:1.8° North, 91.9° East
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period:Permian Epoch:Guadalupian
10 m.y. bin:Permian 3-4
Key time interval:Guadalupian
Age range of interval:273.01000 - 259.51000 m.y. ago
Stratigraphy
Formation:Maokou
Stratigraphic resolution:group of beds
Lithology and environment
Primary lithology: lithified "limestone"
Environment:carbonate indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection methods:peel or thin section
Reason for describing collection:taxonomic analysis
Collection dates:1954
Metadata
Database number:146377
Authorizer:M. Clapham Enterer:M. Clapham
Research group:marine invertebrate
Created:2013-06-23 11:41:53 Last modified:2013-11-25 13:02:06
Access level:the public Released:2013-06-23 11:41:53
Creative Commons license:CC BY
Reference information

Primary reference:

47293. X. T. Liu and X. X. Xie. 1965. The discovery of Bradyodont from Yangsin series, the Lower Permian of Liangshan, Shensi. Vertebrata PalAsiatica 9:280-283 [M. Clapham/M. Clapham]