Where: Japan (37.7° N, 140.9° E: paleocoordinates 45.3° N, 143.8° E)

• coordinate stated in text

• small collection-level geographic resolution

When: Nakanosawa Formation, Late/Upper Kimmeridgian to Late/Upper Kimmeridgian (155.7 - 145.0 Ma)

• The present decapods crustacean material was collected from the Nakanosawa Formation, which crops out in a north-south direction along the eastern side of the Abukuma Mountains, on the Pacific coast of northeast Japan.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; sandstone

Size class: macrofossils

Preservation: mold/impression

Collection methods: Repository: Kashima History and Folklore Museum (KHFM)

Primary reference: H. Kato, T. Toshinobu, and M. Taira. 2010. Late Jurassic Decapod Crustaceans from Northeast Japan. Palaeontology 53(4):761-770 [M. Clapham/R. Valdez/R. Valdez]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 227688: authorized by Matthew Clapham, entered by Rosa Valdez on 26.10.2022

Creative Commons license: CC BY (attribution)