Where: Chita, Russian Federation (50.8° N, 116.2° E: paleocoordinates 54.4° N, 114.9° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• Correlative with the Zaza Formation and most likely with upper Yixian or lower Jiufotang Formation, therefore an Aptian (probably early Aptian) age.

Environment/lithology: lacustrine; tuffaceous, blue mudstone

Size class: macrofossils

Preservation: mold/impression, adpression

Primary reference: E. d'Eichwald. 1868. Lethaea Rossica ou Paléontologie de la Russie 2:1-1304 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 142019: authorized by Matthew Clapham, entered by Jered Karr on 04.04.2013

Creative Commons license: CC BY (attribution)