ammonites

Liaobatrachus type locality: Late/Upper Barremian - Early/Lower Aptian, China

Where & when
Geology
Taphonomy & methods
Metadata & references
Geography
Country:China State/province:Liaoning County:Beipiao
Coordinates: 41.6° North, 120.9° East (view map)
Paleocoordinates:44.7° North, 121.7° East
Basis of coordinate:based on nearby landmark
Geographic resolution:small collection
Time
Period:Cretaceous Epoch:Early/Lower Cretaceous
Key time interval:Late/Upper Barremian - Early/Lower Aptian
Age range of interval:130.0 - 112.0 m.y. ago
Stratigraphy
Geological group:Jehol Formation:Yixian
Stratigraphic resolution:bed
Stratigraphy comments: "Late Jurassic lower Yixian Fm."
JA: age estimate based on age of other Sihetun sites
Lithology and environment
Primary lithology: lithified not reported
Lithology description: none given, but definitely lithified
Environment:lacustrine indet.
Taphonomy
Modes of preservation:body,adpression
Size of fossils:macrofossils
Articulated whole bodies:all
Collection methods and comments
Collection methods:survey of museum collection
Reason for describing collection:taxonomic analysis
Collection method comments: Geological Museum of China (GMV) collection
Taxonomic list comments: possibly the same as any number of other Sihetun collections
Metadata
Also known as:Sihetun
Database number:92116
Authorizer:J. Alroy Enterer:J. Alroy
Research group:vertebrate
Created:2009-11-01 11:58:12 Last modified:2009-11-01 11:58:12
Access level:the public Released:2009-11-01 11:58:12
Reference information
Primary reference:
31027 S. Ji and Q. Ji. 1998. The first Mesozoic frog from China (Amphibia: Anura), Liaobatrachus grabaui gen. et sp. nov. Chinese Geology 250:39-42 [J. Alroy/J. Alroy]