KY2, Hosoozawa valley, Kamiyasse: Sakmarian, Japan
collected by T. Shintani

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Rhynchonellata - Spiriferinida - Spiriferellinidae
Rhynchonellata - Rhynchonellida - Wellerellidae
Uncinunellina sp. Grabau 1932
(1 measurement)
(1 measurement)
see common names

Geography
Country:Japan
Coordinates: 39.0° North, 141.5° East (view map)
Paleocoordinates:15.0° North, 144.0° East (Wright 2013)
Basis of coordinate:stated in text
Geographic resolution:small collection
Time
Period: Permian Epoch: Cisuralian
Stage: Sakmarian 10 m.y. bin: Permian 1
Key time interval: Sakmarian
Age range of interval: 293.52 - 290.1 m.y. ago
Stratigraphy
Formation:Nakadaira
Stratigraphic resolution:bed
Stratigraphy comments: About 30 m above the base of the Nakadaira Formation (equivalent in part to Sakamotozawa Formation).
Lithology and environment
Primary lithology:medium,brown lithified sandstone
Lithology description: Light greenish grey‒light brown, medium-grained sandstone
Environment:marine indet.
Taphonomy
Modes of preservation:mold/impression
Size of fossils:microfossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Collectors:T. Shintani
Collection method comments: Repository: Department of Geology, Faculty of Science, Niigata University, with prefix NU-B (brachiopods).
Metadata
Database number:157798
Authorizer:M. Clapham Enterer:M. Clapham
Research group:marine invertebrate
Created:2014-07-04 10:55:23 Last modified:2025-02-22 15:12:02
Access level:the public Released:2014-07-04 10:55:23
Creative Commons license:CC0
Reference information

Primary reference:
51894. J. I. Tazawa and T. Shintani. 2014. Early Permian (Sakmarian) brachiopods from Kamiyasse, South Kitakami Belt, northeast Japan. Science Reports, Niigata University (Geology) 29:13-41 [M. Clapham/M. Clapham]