Daisyaka, Higasi-Tugaru-gun: Calabrian, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Rhynchonellata - Terebratulida - Terebrataliidae
Terebratalia coreanica (Adams and Reeve 1850)
Coptothyris grayi (Davidson 1852)
Rhynchonellata - Terebratulida - Laqueidae
Laqueus rubellus (Sowerby 1846)
Rhynchonellata - Rhynchonellida - Hemithirididae
Hemithyris psittacea (Gmelin 1790)
see common names

Geography
Country:Japan
Coordinates: 40.8° North, 140.6° East (view map)
Paleocoordinates:40.7° North, 140.4° East (Wright 2013)
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period: Quaternary Epoch: Pleistocene
Stage: Calabrian 10 m.y. bin: Cenozoic 6
Key time interval: Calabrian
Age range of interval: 1.8 - 0.774 m.y. ago
Stratigraphy
Formation:Daishaka
Stratigraphic resolution:group of beds
Stratigraphy comments: From the lower part of the Sandstone formation. Based on stratigraphic position above the Sandy shale formation and below the Tuff formation, the fossils derive from what is now called the Daishaka Formation.
Lithology and environment
Primary lithology: unlithified muddy sandstone
Lithology description: Rather coarse-grained sandstone, partly conglomeratic and muddier at its lower than at its upper part.
Environment:coastal indet.
Geology comments: "Upper sublittoral"
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Collection method comments: Repository: Institute of Geology and Paleontology, Tohoku University, Sendai (IGPS)
Metadata
Database number:190674
Authorizer:M. Clapham Enterer:M. Clapham
Modifier:M. Clapham Research group:marine invertebrate
Created:2017-12-13 21:21:16 Last modified:2025-02-22 15:12:02
Access level:the public Released:2017-12-13 21:21:16
Creative Commons license:CC0
Reference information

Primary reference:

64049. K. M. Hatai. 1940. The Cenozoic Brachiopoda of Japan. Science Reports, Tohoku Imperial University, Series 2 20:1-413 [M. Clapham/M. Clapham]