Concretion 20050723-2p, Pankeushappu River tributary (Cretaceous of Japan)

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
 Ammonitida - Tetragonitidae
Saghalinites teshioensis Matsumoto 1984 ammonite