Ojika Area, Tsukinoura Formation, Honshu: Bajocian, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia - Limida - Limidae
Bivalvia - Ostreida - Bakevelliidae
Kobayashites hemicylindricus Hayami and Muster 1995
Bivalvia - Pectinida - Pectinidae
Bivalvia - Trigoniida - Myophorellidae
see common names

Geography
Country:Japan State/province:Miyagi
Coordinates: 38.3° North, 141.5° East (view map)
Paleocoordinates:51.0° North, 158.4° East (Wright 2013)
Basis of coordinate:estimated from map
Geographic resolution:local area
Time
Period: Jurassic Epoch: Middle Jurassic
Stage: Bajocian 10 m.y. bin: Jurassic 4
Key time interval: Bajocian
Age range of interval: 170.9 - 168.2 m.y. ago
Stratigraphy
Geological group:Ojika Formation:Tsukinoura
Stratigraphic resolution:formation
Lithology and environment
Primary lithology: sandstone
Secondary lithology: conglomerate
Environment:marine indet.
Taphonomy
Modes of preservation:cast,mold/impression
Size of fossils:macrofossils
Collection methods and comments
Collection methods:survey of museum collection
Reason for describing collection:taxonomic analysis
Metadata
Database number:40304
Authorizer:M. Aberhan Enterer:S. Nurnberg
Modifier:S. Nurnberg Research group:marine invertebrate
Created:2004-06-22 00:22:47 Last modified:2025-02-22 15:12:02
Access level:the public Released:2004-06-22 00:22:47
Creative Commons license:CC0
Reference information

Primary reference:
10664. I. Hayami. 1975. A systematic survey of the Mesozoic Bivalvia from Japan. The University Museum, The University of Tokyo, Bulletin (10) [M. Aberhan/S. Nurnberg/S. Nurnberg]