Yamato, Wakkawembets stream: Campanian, Japan
collected by Ohmi 1955

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

Geography
Country:Japan
Coordinates: 44.6° North, 142.0° East (view map)
Paleocoordinates:52.6° North, 130.7° East (Wright 2013)
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period: Cretaceous Epoch: Late Cretaceous
Stage: Campanian 10 m.y. bin: Cretaceous 7
Key time interval: Campanian Inoceramid zone:  Sphenoceramus schmidti
Age range of interval: 83.6 - 72.2 m.y. ago
Stratigraphy
Geological group:Yezo
Stratigraphic resolution:bed
Stratigraphy comments: Associated with Sphenoceramus schmidti and Tetragonites popetensis, referred to the zone of Sphenoceramus schmidti, substage K6a2 in the Japanese province, approximately middle Campanian of the international scale.
Lithology and environment
Primary lithology: lithified mudstone
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:Ohmi Collection dates:1955
Collection method comments: Repository: Geological Collection, Kyushu University
Metadata
Database number:166250
Authorizer:M. Clapham Enterer:M. Clapham
Research group:marine invertebrate
Created:2015-02-06 22:23:28 Last modified:2025-02-22 15:12:02
Access level:the public Released:2015-02-06 22:23:28
Creative Commons license:CC0
Reference information

Primary reference:
54317. T. Matsumoto and K. Muramoto. 1983. Cretaceous nautiloids from Hokkaido - II. Part 2. Three nautiloid species from the Santonian and Campanian of Hokkaido. Transactions and Proceedings of the Paleontological Society of Japan, N.S. 130:85-95 [M. Clapham/M. Clapham]