East bank of Kikumen Creek DUPLICATE (Cretaceous to of Japan)

Where: Hokkaido, Japan (43.2° N, 142.0° E: paleocoordinates 48.0° N, 131.1° E)

• coordinate estimated from map

When: Kashima Formation (Yezo Group), Late/Upper Santonian to Late/Upper Santonian (85.8 - 70.6 Ma)

• Santonian-Campanian boundary interval

Environment/lithology: offshore; concretionary sandstone

• the inner-outer shelf
• sandstone concretion eroded free of the surrounding strata

Size class: macrofossils

Primary reference: M. W. Caldwell, T. Konishi, I. Obata and K. Muramoto. 2008. A new species of Taniwhasaurus (Mosasauridae, Tylosaurinae) from the Upper Santonian-Lower Campanian (Upper Cretaceous) of Hokkaido, Japan. Journal of Vertebrate Paleontology 28(2):339-348 [P. Mannion/P. Mannion]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 115408: authorized by Philip Mannion, entered by Philip Mannion on 01.09.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

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