Where: Japan (42.9° N, 142.4° E: paleocoordinates 47.7° N, 131.5° E)
• coordinate estimated from map
• hand sample-level geographic resolution
When: Chinomigawa Formation (Yezo Group), Middle Campanian (83.5 - 70.6 Ma)
• Middle Campanian "Soya Fauna"
• bed-level stratigraphic resolution
Environment/lithology: marine; lithified, concretionary, sandy mudstone
Size class: macrofossils
Collection methods: surface (float)
• Repository: Hobetsu Museum, Mukawa
Primary reference: Y. Shigeta and M. Izukura. 2018. Discovery of the middle Campanian (Late Cretaceous) "Soya Fauna" ammonoids in the Hidaka area, Hokkaido, Japan. The Bulletin of the Hobetsu Museum 33:11-25 [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 199738: authorized by Matthew Clapham, entered by Matthew Clapham on 09.02.2019
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Saghalinites teshioensis Matsumoto 1984 ammonite |