Where: Japan (38.8° N, 141.5° E: paleocoordinates 38.5° N, 118.8° E)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Spathian (251.3 - 247.2 Ma)
• Columbites parisianus subzone
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified siliciclastic sediments
Size class: macrofossils
Preservation: mold/impression
Collection methods: Repository: Department of Geology, Kaguwa University
Primary reference: Y. Bando and S. Shimoyama. 1974. Late Scythian ammonoids from the Kitakami Massif. Transactions and Proceedings of the Paleontological Society of Japan, N.S. 94:293-312 [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 186959: authorized by Matthew Clapham, entered by Matthew Clapham on 08.07.2017
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Neocolumbites grammi Zakharov 1968 ceratite
Procolumbites ussuriensis Zakharov 1968 ceratite | |
|