Chirashinaigawa Creek, Kj3: Early Albian, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Cephalopoda - Ammonitida - Douvilleiceratidae
Douvilleiceras sp. Grossouvre 1894
Bivalvia - Pectinida - Neitheidae
see common names

Geography
Country:Japan State/province:Hokkaido
Coordinates: 44.7° North, 142.1° East (view map)
Paleocoordinates:50.4° North, 149.9° East (Wright 2013)
Basis of coordinate:stated in text
Geographic resolution:small collection
Time
Period: Cretaceous Epoch: Early Cretaceous
Stage: Albian 10 m.y. bin: Cretaceous 4
Key time interval: Early Albian
Age range of interval: 113.2 - 110.1 m.y. ago
Stratigraphy
Geological group:Lower Yezo Formation:Kamiji
Stratigraphic resolution:bed
Stratigraphy comments: The Kamiji Formation is the lowest unit of the Yezo Group. Sample from unit 3 of the Kamiji Formation
Lithology and environment
Primary lithology: lithified sandstone
Lithology description: bedded sandstone, pebbly sandstone
Environment:marine indet.
Taphonomy
Size of fossils:macrofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:general faunal/floral analysis
Metadata
Database number:92724
Authorizer:W. Kiessling Enterer:U. Merkel
Research group:marine invertebrate
Created:2009-11-26 04:24:55 Last modified:2025-02-22 15:12:02
Access level:the public Released:2009-11-26 04:24:55
Creative Commons license:CC0
Reference information

Primary reference:
31256. Y. Iba. 2009. An Early Albian Arctic-type ammonite Arcthoplites from Hokkaido, northern Japan, and its paleobiogeographic and paleoclimatological implications. Journal of Asian Earth Sciences 34:46-50 [W. Kiessling/U. Merkel]