Where: Japan (33.7° N, 133.8° E: paleocoordinates 44.0° N, 135.6° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Hibihara Formation, Early/Lower Aptian (121.4 - 122.5 Ma)

• basal part of the formation

• group of beds-level stratigraphic resolution

Environment/lithology: estuary or bay; lithified siltstone

Size class: macrofossils

Primary reference: T. Kozai. 1986. Early Cretaceous Pulsidis (Bivalvia) from Japan. Transactions and Proceedings of the Palaeontological Society of Japan 144:479-489 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 67145: authorized by Wolfgang Kiessling, entered by Uta Merkel on 10.11.2006

Creative Commons license: CC BY (attribution)