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; carbonate

Size class: macrofossils

Collected by T. Nishimura in 2009

Primary reference: T. Konishi, M. W. Caldwell, T. Nishimura, K. Sakurai, and K. Tanoue. 2016. A new halisaurine mosasaur (Squamata: Halisaurinae) from Japan: the first record in the western Pacific realm and the first documented insights into binocular vision in mosasaurs. Journal of Systematic Palaeontology 14(10):809-839 [P. Mannion/P. Mannion]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 194131: authorized by Philip Mannion, entered by Philip Mannion on 14.06.2018

Creative Commons license: CC BY (attribution)