Where: Jilin, China (44.3° N, 124.6° E: paleocoordinates 45.8° N, 112.7° E)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Nenjiang/Sifangtai Formation, Early/Lower Campanian (83.5 - 70.6 Ma)

• "Upper part of Nenjiang Formation to Sifangtai Formation, Upper Cretaceous" (Fang et al. 2009)

•A detailed review of ages can be found in Wan et al. 2013, Yang et al. 2020 and Yu et al. 2020

• group-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Reposited in the NIGPAS

Primary reference: Z. J. Fang, J. H. Chen, C. Z. Chen, J. G. Sha, X. Lan and S. Z. Wen. 2009. Supraspecific taxa of the Bivalvia first named, described, and published in China (1927-2007). The University of Kansas Paleontological Contributions, New Series 17:1-157 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 200976: authorized by Alex Dunhill, entered by Bethany Allen on 27.04.2019

Creative Commons license: CC BY (attribution)