Hy1012 - Yatsushiro area [Yatsushiro Fm]: Albian, Japan
collected by Kase

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia - Ostreida - Arctostreidae
Bivalvia - Trigoniida - Megatrigoniidae
Gastropoda - Ampullinidae
see common names

Geography
Country:Japan
Coordinates: 32.5° North, 130.7° East (view map)
Paleocoordinates:36.3° North, 141.9° East (Wright 2013)
Basis of coordinate:stated in text
Geographic resolution:outcrop
Time
Period: Cretaceous Epoch: Early Cretaceous
Stage: Albian 10 m.y. bin: Cretaceous 4
Key time interval: Albian
Age range of interval: 113.2 - 100.5 m.y. ago
Stratigraphy
Formation:Yatsushiro
Stratigraphic resolution:bed
Stratigraphy comments: STRATIGRAPHIC RELATIONS: From the Yatsushiro Fm. AGE: Albian; justification for age not reported in text. STRATIGRAPHIC POSITION: From unknown position within the Yatsushiro Fm.
Lithology and environment
Primary lithology:fine lithified sandstone
Includes fossils?Y
Lithology description: SPECIFIC LITHOLOGY: Varicolored fine-grained sandstone. LITHIFICATION: Lithified, on the basis of figured specimens.
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Disassociated major elements:many
Collection methods and comments
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Collectors:Kase
Collection method comments: COLLECTOR: T. Kase. REPOSITORY: Not stated in text.
Taxonomic list comments:COVERAGE: Exhaustive for gastropods; other taxa (namely bivalves and foraminifera) often present. NOMENCLATURE: Authoritative publication, with relatively modern nomenclature, and species-resolution identifications.
Metadata
Database number:91338
Authorizer:A. Hendy Enterer:A. Hendy
Research group:marine invertebrate
Created:2009-09-15 09:30:57 Last modified:2025-02-22 15:12:02
Access level:the public Released:2009-09-15 09:30:57
Creative Commons license:CC0
Reference information

Primary reference:

30704. T. Kase. 1984. Early Cretaceous marine and brackish-water Gastropoda from Japan 1-262 [A. Hendy/A. Hendy]