Rubeshibe-zawa: Early Campanian, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Bivalvia - Myalinida - Inoceramidae
Inoceramus schmidti Sokolow 1914
see common names

Geography
Country:Japan
Coordinates: 44.7° North, 142.0° East (view map)
Paleocoordinates:52.6° North, 130.2° East (Wright 2013)
Geographic resolution:small collection
Time
Period: Cretaceous Epoch: Late Cretaceous
Stage: Campanian 10 m.y. bin: Cretaceous 7
*Period:Late/Upper Cretaceous *Epoch:Senonian
*International age/stage:Early/Lower Campanian
Key time interval: Early Campanian Zone:  Inoceramus schmidti
Age range of interval: 83.6 - 72.2 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Stratigraphy comments: "most probably from the Upper Yezo Group"
Lithology and environment
Primary lithology: calcareous mudstone
Lithology description: mudstones
Environment:offshore Tectonic setting:forearc basin
Geology comments: fossils from "an erratic pebble-sized calcareous concretion"

environment is "deeper" than "outer shelf deposits in Cretaceous forearch basin"

Taphonomy
Modes of preservation:body,concretion
Collection methods and comments
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Collection method comments: material from a single concretion
Metadata
Also known as:NSM PCL3-23-3; Locality 5
Database number:4874
Authorizer:J. Alroy Enterer:J. Alroy
Research group:marine invertebrate
Created:1999-08-28 10:38:52 Last modified:2025-02-22 15:12:02
Access level:the public Released:2000-11-20 13:53:24
Creative Commons license:CC0
Reference information

Primary reference:
293. T. Kase and Y. Shigeta. 1996. New species of Patellogastropoda (Mollusca) from the Cretaceous of Hokkaido, Japan and Sakhalin, Russia. Journal of Paleontology 70(5):762-771 [J. Alroy/J. Alroy/J. Alroy]