Also known as NSM-PCL11-80-1; Loc. 9 in Matusmoto and Morozumi 1980

Where: Japan (34.3° N, 135.2° E: paleocoordinates 42.5° N, 124.2° E)

• outcrop-level geographic resolution

When: Pachydiscus aff. P. subcompressus zone, Shindachi Formation, Early/Lower Maastrichtian (70.6 - 66.0 Ma)

Environment/lithology: marine; conglomeratic sandstone

Primary reference: T. Kase. 1990. Late Cretaceous gastropods from the Izumi Group of southwest Japan. Journal of Paleontology 64(4):563-578 [J. Alroy/J. Alroy/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 4896: authorized by John Alroy, entered by John Alroy on 29.08.1999

Creative Commons license: CC BY (attribution)