Takamatsu, Tonna bed: Middle Pleistocene, Japan
collected by Hayasaka

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Gastropoda - Caecidae
8 specimens
see common names

Geography
Country:Japan
Coordinates: 34.6° North, 137.2° East (view map)
Paleocoordinates:
Basis of coordinate:stated in text
Geographic resolution:outcrop
Time
Period: Quaternary Epoch: Pleistocene
Stage: Chibanian 10 m.y. bin: Cenozoic 6
Key time interval: Middle Pleistocene
Age range of interval: 0.774 - 0.129 m.y. ago
Stratigraphy
Geological group:Atsumi Formation:Toyohashi Member:Takamatsu Muddy Sand
Regional section:Hane Regional bed:Tonna bed
Stratigraphic resolution:bed
Stratigraphy comments: Chibanian
Lithology and environment
Primary lithology: sandstone
Includes fossils?Y
Environment:shallow subtidal indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection methods:surface (in situ),field collection
Reason for describing collection:taxonomic analysis
Collectors:Hayasaka
Collection method comments: COLLECTOR: S. Hayasaka. REPOSITORY: Possibly Tohoku University.
Taxonomic list comments:COVERAGE: Exhaustive for molluscs. NOMENCLATURE: Not an authoritative publication, with antiquated nomenclature, but with species-resolution identifications.
Metadata
Database number:209124
Authorizer:W. Kiessling Enterer:M. Krause
Modifier:M. Krause Research group:marine invertebrate
Created:2020-04-25 01:00:26 Last modified:2025-02-22 15:12:02
Access level:the public Released:2020-04-25 01:00:26
Creative Commons license:CC0
Reference information

Primary reference:
72186. T. Haga. 2020. First Strebloceras (Mollusca: Gastropoda: Caecidae) from the middle Pleistocene of Japan. Toyohashi Museum of Natural History 30:1-19 [W. Kiessling/M. Krause]