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Shionosawa, Tano District, Gunma Prefecture, Japan

FormationShionosawa
Age:251 - 247 Ma
Early/Lower Triassic
IntervalSmithian
Lithologylimestone
Number of Collections1
Number of Occurrences8

Recorded Sample Locations

LocationRegionStratigraphic Name
ShionosawaTano District, Gunma Prefecture, JapanShionosawa

Recorded Fossils

Accepted NameHierarchyAge
Austrotindaria canalensis
species
7Animalia : Mollusca : Bivalvia : Nuculanida : Neilonellidae : Austrotindaria : Austrotindaria canalensis251.3 - 247.2 Ma
Early/Lower Triassic
Bakevellia (Bakevellia) rostrata
species
7Animalia : Mollusca : Bivalvia : Ostreida : Bakevelliidae : Bakevellia : Bakevellia (Bakevellia) rostrata251.3 - 247.2 Ma
Early/Lower Triassic
Pteria ussurica
species
7Animalia : Mollusca : Bivalvia : Ostreida : Pteriidae : Pteria : Pteria ussurica251.3 - 247.2 Ma
Early/Lower Triassic
Eumorphotis multiformis
species
7Animalia : Mollusca : Bivalvia : Pectinida : Heteropectinidae : Eumorphotis : Eumorphotis multiformis251.3 - 247.2 Ma
Early/Lower Triassic
Leptochondria sp.
genus
6Animalia : Mollusca : Bivalvia : Pectinida : Leptochondriidae : Leptochondria251.3 - 247.2 Ma
Early/Lower Triassic
Streblochondria matsushitai
species
7Animalia : Mollusca : Bivalvia : Myalinida : Myalinidae : Streblochondria : Streblochondria matsushitai251.3 - 247.2 Ma
Early/Lower Triassic
Unionites fassaensis
species
7Animalia : Mollusca : Bivalvia : Trigoniida : Trigonodidae : Unionites : Unionites fassaensis251.3 - 247.2 Ma
Early/Lower Triassic
Naticopsis sp.
genus
6Animalia : Mollusca : Gastropoda : Cycloneritida : Naticopsidae : Naticopsis251.3 - 247.2 Ma
Early/Lower Triassic

References

Nakazawa K. (1971) The Lower Triassic Kurotaki Fauna in Shikoku and its allied faunas in Japan, Memoirs of the Faculty of Science, Kyoto University, Series of Geology and Mineralogy 38, 103-133
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!
 
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