Asadanuki, Towa-cho, Miyagi Prefecture: Spathian, Japan
collected by Y. Bando, M. Ehiro 1980, 1981

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Cephalopoda - Ceratitida - Cladiscitidae
(1 measurement)
Cephalopoda - Ceratitida - Procarnitidae
(1 measurement)
see common names

Geography
Country:Japan
Coordinates: 38.7° North, 141.3° East (view map)
Paleocoordinates:4.8° North, 138.6° East (Wright 2013)
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period: Triassic Epoch: Early Triassic
Stage: Olenekian 10 m.y. bin: Triassic 1
Key time interval: Spathian Ammonoid zone:  Subcolumbites perrinismithi
Age range of interval: 248.6 - 247 m.y. ago
Stratigraphy
Formation:Osawa
Stratigraphic resolution:group of beds
Stratigraphy comments: Uppermost part, 20 m below base of Fukkoshi Fm
Lithology and environment
Primary lithology:gray lithified "shale"
Lithology description: Dark gray shale
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Collectors:Y. Bando, M. Ehiro Collection dates:1980, 1981
Metadata
Database number:94914
Authorizer:M. Clapham Enterer:M. Clapham
Modifier:M. Clapham Research group:marine invertebrate
Created:2010-03-31 17:55:02 Last modified:2025-02-22 15:12:02
Access level:the public Released:2010-03-31 17:55:02
Creative Commons license:CC0
Reference information

Primary reference:
32354. Y. Bando and M. Ehiro. 1982. On some Lower Triassic ammonites from the Osawa Formation at Asadanuki, Towa-cho, Tome-gun, Miyagi Prefecture, northeast Japan. Transactions and Proceedings of the Paleontological Society of Japan, N.S. 127:375-385 [M. Clapham/M. Clapham]