Also known as Panketosano-sawa; Pankerusanosawa

Where: Japan (42.8° N, 142.0° E: paleocoordinates 46.9° N, 131.2° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Nostoceras hetonaiense ammonoid zone, Hakobuchi Formation (Yezo Group), Early/Lower Maastrichtian (70.6 - 66.0 Ma)

• lower middle part of the Hakobuchi Formation; lowermost section of unit IVb of Matsumoto (1942, 1959).

• bed-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Primary reference: S. Suzuki. 1985. A new species of Mosasaurus (Reptilia, Squamata) from the Upper Cretaceous Hakobuchi Group in Central Hokkaido, Japan. Monograph of the Association for the Geological Collaboration in Japan 30:45-66 [M. Uhen/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 194132: authorized by Philip Mannion, entered by Philip Mannion on 14.06.2018

Creative Commons license: CC BY (attribution)