IGPS Te-10, Toyotomi Well no 2, Saro: Tortonian, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Malacostraca - Decapoda - Oregoniidae
see common names

Geography
Country:Japan
Coordinates: 45.1° North, 141.8° East (view map)
Paleocoordinates:44.7° North, 139.8° East (Wright 2013)
Basis of coordinate:stated in text
Geographic resolution:outcrop
Time
Period: Neogene Epoch: Miocene
Stage: Tortonian 10 m.y. bin: Cenozoic 6
Key time interval: Tortonian
Age range of interval: 11.63 - 7.246 m.y. ago
Stratigraphy
Formation:Wakkanai
Stratigraphic resolution:group of beds
Stratigraphy comments: Wakkanai Formation extends from latest Middle Miocene Denticulopsis praedimorpha diatom zone through the Late Miocene Thalassionema schraderi diatom zone (Shibata and Tanai, 1982; Fukusawa, 1985).
Lithology and environment
Primary lithology: lithified cherty/siliceous mudstone
Lithology description: Siliceous mudstone, according to Murakami et al. (2012)
Environment:submarine fan
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Collection method comments: Repository: Institute of Geology and Paleontology, Tohoku University
Metadata
Database number:169962
Authorizer:C. Schweitzer Enterer:L. Baltzly
Modifier:M. Clapham Research group:decapod,marine invertebrate
Created:2015-06-06 18:45:30 Last modified:2025-02-22 15:12:02
Access level:the public Released:2015-06-06 18:45:30
Creative Commons license:CC0
Reference information

Primary reference:
55452.decapod R. Imaizumi. 1952. A Miocene crab, Hyas tsuchidai n. sp. from the Wakkanai Formation of Teshio Province, Hokkaido. Transactions and Proceedings of the Paleontological Society of Japan, N.S. 5:179-183 [C. Schweitzer/L. Baltzly/M. Clapham]