Tokinami, Toyoma-cho, Tome-gun, Miyagi Prefecture: Wuchiapingian, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia - Carditida - Astartidae
Astartella toyomensis Nakazawa and Newell 1968
8 specimens
Bivalvia - Cardiida - Kalenteridae
Pseudopermophorus uedai Nakazawa and Newell 1968
16 specimens
Bivalvia - Nuculida
Nuculoida indet. Dall 1889
8 specimens
corrected as Nuculida
Gastropoda - Bellerophontida - Euphemitidae
Euphemitopsis kitakamiensis Murata 1969
12 specimens
(11 measurements)
Warthia sp. Waagen 1880
3 specimens
Gastropoda - Murchisoniina - Gosseletinidae
Mourlonia toyomensis Murata 1969
21 specimens
recombined as Ptychomphalina toyomensis
see common names

Geography
Country:Japan
Coordinates: 38.6° North, 141.3° East (view map)
Paleocoordinates:30.3° North, 117.0° East
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period:Permian Epoch:Lopingian
Stage:Wuchiapingian 10 m.y. bin:Permian 4
Key time interval:Wuchiapingian
Age range of interval:259.51000 - 254.14000 m.y. ago
Stratigraphy
Formation:Toyoma
Stratigraphic resolution:group of beds
Lithology and environment
Primary lithology: lithified mudstone
Environment:marine indet.
Taphonomy
Modes of preservation:cast,mold/impression
Size of fossils:macrofossils
Collection methods and comments
Collection excludes:some macrofossils
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Metadata
Database number:113880
Authorizer:M. Clapham Enterer:M. Clapham
Modifier:M. Clapham Research group:marine invertebrate
Created:2011-08-06 14:58:59 Last modified:2013-11-25 13:02:06
Access level:the public Released:2011-08-06 14:58:59
Creative Commons license:CC BY
Reference information

Primary reference:

33619. M. Murata. 1969. Molluscan fauna of the Toyoma Formation (Late Permian). Saito Ho-on Kai Museum of Natural History Research Bulletin 38:1-22 [M. Clapham/M. Clapham/P. Wagner]