Ik1101, Katsurazawa pit, Ikushumbets river: Early Cenomanian, Japan
collected by T. Takahashi

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Cephalopoda - Ammonitida - Lytoceratidae
(1 measurement)
see common names

Geography
Country:Japan
Coordinates: 43.2° North, 142.0° East (view map)
Paleocoordinates:49.6° North, 147.3° East (Wright 2013)
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period: Cretaceous Epoch: Late Cretaceous
Stage: Cenomanian 10 m.y. bin: Cretaceous 5
Key time interval: Early Cenomanian Ammonoid zone:  Mantelliceras japonicum
Age range of interval: 100.5 - 93.9 m.y. ago
Stratigraphy
Formation:Mikasa Member:IIb
Stratigraphic resolution:bed
Lithology and environment
Primary lithology:fine,nodular lithified silty sandstone
Environment:marine indet.
Taphonomy
Modes of preservation:cast,mold/impression
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Collectors:T. Takahashi
Collection method comments: Repository: Geology Department, Kyushu University
Metadata
Database number:166257
Authorizer:M. Clapham Enterer:M. Clapham
Modifier:M. Clapham Research group:marine invertebrate
Created:2015-02-07 00:12:36 Last modified:2025-02-22 15:12:02
Access level:the public Released:2015-02-07 00:12:36
Creative Commons license:CC0
Reference information

Primary reference:
54321. T. Matsumoto. 1984. A new tetragonitid ammonite from Hokkaido. Proceedings of the Japan Academy, Series B 60:33-35 [M. Clapham/M. Clapham]