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Tokomuro, Tokachi Subprefecture, Hokkaidō Prefecture, Japan

FormationTokomuro
Age:23.0 - 16.0 Ma
Miocene
IntervalEarly Miocene
Lithologysiltstone/sandstone
Number of Collections1
Number of Occurrences13

Recorded Sample Locations

LocationRegionStratigraphic Name
Tokomaru Formation - Kushiro coal fieldTokachi Subprefecture, Hokkaidō Prefecture, JapanTokomuro

Associated Units

Stratigraphic NameAgeLithologyOccurrence Records
Omagari28.4 - 23.0 Ma
Cenozoic
sandstone, breccia121

Recorded Fossils

Accepted NameHierarchyAge
Serripes sp.
genus
6Animalia : Mollusca : Bivalvia : Cardiida : Cardiidae : Serripes23.03 - 15.97 Ma
Miocene
Macoma (Macoma) sp.
subgenus
6.3Animalia : Mollusca : Bivalvia : Cardiida : Tellinidae : Macoma : Macoma (Macoma)23.03 - 15.97 Ma
Miocene
Cyclocardia abesinaiensis
species
7Animalia : Mollusca : Bivalvia : Carditida : Carditidae : Cyclocardia : Cyclocardia abesinaiensis23.03 - 15.97 Ma
Miocene
Mytilus (Tumidimytilus) tichanovitchi
species
7Animalia : Mollusca : Bivalvia : Mytilida : Mytilidae : Mytilus : Mytilus (Tumidimytilus) tichanovitchi23.03 - 15.97 Ma
Miocene
Malletia sp.
genus
6Animalia : Mollusca : Bivalvia : Nuculanida : Malletiidae : Malletia23.03 - 15.97 Ma
Miocene
Portlandia sp.
genus
6Animalia : Mollusca : Bivalvia : Portlandia23.03 - 15.97 Ma
Miocene
Yoldia sagittalia
species
7Animalia : Mollusca : Bivalvia : Nuculanida : Yoldiidae : Yoldia : Yoldia sagittalia23.03 - 15.97 Ma
Miocene
Ezocallista sp.
genus
6Animalia : Mollusca : Bivalvia : Venerida : Veneridae : Ezocallista23.03 - 15.97 Ma
Miocene
Cryptonatica andoi
species
7Animalia : Mollusca : Gastropoda : Littorinimorpha : Naticidae : Cryptonatica : Cryptonatica andoi23.03 - 15.97 Ma
Miocene
Mesalia sp.
genus
6Animalia : Mollusca : Gastropoda : Turritellidae : Mesalia23.03 - 15.97 Ma
Miocene
Turritella sp.
genus
6Animalia : Mollusca : Gastropoda : Turritellidae : Turritella23.03 - 15.97 Ma
Miocene
Turritella shataii
species
7Animalia : Mollusca : Gastropoda : Turritellidae : Turritella : Turritella shataii23.03 - 15.97 Ma
Miocene

References

Honda Y. (1989) Paleogene molluscan faunas from the Kushiro Coal Field, Eastern Hokkaido, Tohoku University, Science Report, 2nd series 60 1, 1-137
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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