NSM PCl 4-15-3. Ganseki-zawa Valley: Late Turonian, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Cephalopoda - Ammonitida - Desmoceratidae
Cephalopoda - Ammonitida - Tetragonitidae
Tetragonites glabrus (Jimbo 1910)
Cephalopoda - Ammonitida - Pseudotissotiidae
Cephalopoda - Ammonitida - Collignoniceratidae
Subprionocyclus minimus (Hayasaka and Fukada 1951)
Cephalopoda - Ammonitida - Baculitidae
Baculites undulatus d'Orbigny 1850
Bivalvia - Myalinida - Inoceramidae
Inoceramus teshioensis Nagao and Matsumoto 1939
see common names

Geography
Country:Japan State/province:Hokkaido
Coordinates: 43.3° North, 142.0° East (view map)
Paleocoordinates:50.9° North, 142.2° East (Wright 2013)
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period: Cretaceous Epoch: Late Cretaceous
Stage: Turonian 10 m.y. bin: Cretaceous 6
Key time interval: Late Turonian Ammonoid zone:  Subprionocyclus minimus
Age range of interval: 93.9 - 89.8 m.y. ago
Stratigraphy
Local section:Ganseki-zawa Valley Local bed:1200 m
Local order:bottom to top
Stratigraphic resolution:group of beds
Stratigraphy comments: Subprionocyclus minimus Subzone of Inoceramus teshioensis
Lithology and environment
Primary lithology:bioturbation lithified sandy mudstone
Lithology description: Key indicates sandy mudstone with bioturbation
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Collection method comments: Repository: National Science Museum
Metadata
Also known as:= Loc. 319 in Futakami (1986)
Database number:200137
Authorizer:P. Wagner Enterer:P. Wagner
Modifier:M. Clapham Research group:marine invertebrate
Created:2019-03-20 00:04:18 Last modified:2026-09-18 13:47:28
Access level:the public Released:2019-03-20 00:04:18
Creative Commons license:CC0
Reference information

Primary reference:
68237. F. Kawabe and Y. Shigeta. 2001. The genus Hourcquia (Ammonoidea, Pseudotissotiidae) from the Upper Cretaceous of Hokkaido, Japan: biostratigraphic and biogeographic implications. Paleontological Research 5(2):101-109 [P. Wagner/P. Wagner]