Locality 3, Urakawa: Middle Campanian, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia - Myalinida - Inoceramidae
Cephalopoda - Ammonitida - Baculitidae
Baculites sp. Lamarck 1799
Cephalopoda - Ammonitida - Pachydiscidae
Cephalopoda - Ammonitida - Desmoceratidae
Cephalopoda - Ammonitida - Tetragonitidae
Cephalopoda - Ammonitida - Placenticeratidae
see common names

Geography
Country:Japan
Coordinates: 42.2° North, 142.8° East (view map)
Paleocoordinates:50.6° North, 132.7° East (Wright 2013)
Basis of coordinate:stated in text
Geographic resolution:outcrop
Time
Period: Cretaceous Epoch: Late Cretaceous
Stage: Campanian 10 m.y. bin: Cretaceous 7
Key time interval: Middle Campanian Ammonoid zone:  Metaplacenticeras subtilistriatum
Age range of interval: 83.6 - 72.2 m.y. ago
Stratigraphy
Formation:Chinomigawa
Local section:Urakawa Section 1 Local bed:719.5 m
Local order:bottom to top
Stratigraphic resolution:bed
Stratigraphy comments: Unit U4
Lithology and environment
Primary lithology: lithified sandy mudstone
Environment:marine indet.
Taphonomy
Modes of preservation:mold/impression
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Collection method comments: Repository: National Museum of Nature and Science, Tsukuba (NMNS)
Metadata
Database number:181920
Authorizer:M. Clapham Enterer:M. Clapham
Modifier:G. Palazzo Research group:marine invertebrate
Created:2016-10-08 10:10:21 Last modified:2026-09-13 13:42:04
Access level:the public Released:2016-10-08 10:10:21
Creative Commons license:CC0
Reference information

Primary reference:
60510. Y. Shigeta, M. Izukura, T. Nishimura and Y. Tsutsumi. 2016. Middle and late Campanian (Late Cretaceous) ammonoids from the Urakawa area, Hokkaido, northern Japan. Paleontological Research 20:322-366 [M. Clapham/M. Clapham]