ammonites

Aolicun: Early/Lower Campanian, China
collected by C. Xu 1986

Where & when
Geology
Taphonomy & methods
Metadata & references
Geography
Country:China State/province:Zhejiang
Coordinates: 28.8° North, 121.6° East (view map)
Paleocoordinates:31.4° North, 114.1° East
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Stage:Campanian 10 m.y. bin:Cretaceous 7
Key time interval:Early/Lower Campanian
Age range of interval:83.5 - 70.6 m.y. ago
Stratigraphy
Formation:Tangshang
Stratigraphic resolution:formation
Stratigraphy comments: Age of 81.5 Ma reported based upon potassium-argon dating
Lithology and environment
Primary lithology: calcareous tuff
Includes fossils?Y
Environment:lacustrine indet.
Taphonomy
Modes of preservation:body,soft parts
Size of fossils:macrofossils
Preservation of anatomical detail:good
Articulated whole bodies:all
Collection methods and comments
Collection methods:survey of museum collection,salvage
Reason for describing collection:taxonomic analysis
Collectors:C. Xu Collection dates:1986
Metadata
Also known as:Zhejiangopterus holotype site
Database number:92188
Authorizer:R. Butler Enterer:R. Butler
Modifier:R. Butler Research group:vertebrate
Created:2009-11-03 05:12:59 Last modified:2009-11-03 05:33:11
Access level:the public Released:2009-11-03 05:12:59
Reference information
Primary reference:
31048 Z. Cai and F. Wei. 1994. Zhejiangopterus linhaiensis (Pterosauria) from the Upper Cretaceous of Linhai, Zhejiang, China. Vertebrata PalAsiatica 32(3):181-194 [R. Butler/R. Butler]

Secondary references:

31049 D. M. Unwin and J. Lü. 1997. On Zhejiangopterus and the relationships of pterodactyloid pterosaurs. Historical Biology 12:199-210 [R. Butler/R. Butler]