Upper stream of the northern branch of the Horomui-gawa, lower part Ashi Fm: Early Miocene, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia - Protobranchia - Yoldiidae
Bivalvia - Mytilida - Mytilidae
Mytilus tichanovitchi Makiyama 1934
Bivalvia - Thraciida - Thraciidae
Bivalvia - Venerida - Mactridae
Bivalvia - Cardiida - Tellinidae
Bivalvia - Adapedonta - Pharidae
see common names

Geography
Country:Japan
Coordinates: 43.2° North, 141.9° East (view map)
Paleocoordinates:43.5° North, 138.1° East (Wright 2013)
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period: Neogene Epoch: Miocene
10 m.y. bin: Cenozoic 5
Key time interval: Early Miocene
Age range of interval: 23.04 - 15.98 m.y. ago
Stratigraphy
Formation:Asahi
Lithology and environment
Primary lithology: tuff
Secondary lithology: sandstone
Environment:shallow subtidal indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Metadata
Database number:173032
Authorizer:W. Kiessling Enterer:M. Krause
Modifier:M. Krause Research group:marine invertebrate
Created:2015-09-08 05:36:27 Last modified:2025-02-22 15:12:02
Access level:the public Released:2015-09-08 05:36:27
Creative Commons license:CC0
Reference information

Primary reference:
56250. S. Uozumi. 1966. Neogene Molluscan Fauna in Hokkaido : Part I. Description of the Asahi Fauna Associated with Mytilus tichanovitchi MAKIYAMA, from Ikushunbetsu District, Central Hokkaido. Journal of the Faculty of Science, Hokkaido University. Series 4, Geology and mineralogy 13(2):119-137 [W. Kiessling/M. Krause]