Where: Chita, Russian Federation (51.6° N, 120.0° E: paleocoordinates 53.3° N, 122.3° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Undino-Dainskaya Formation, Kimmeridgian to Kimmeridgian (157.3 - 132.9 Ma)

Environment/lithology: lacustrine; tuffaceous mudstone

Size class: mesofossils

Preservation: mold/impression, adpression

Reposited in the PIN

Primary reference: A. G. Ponomarenko. 1990. Beetles, Scarabaeida, in Pozdne-Mezozoyskie Nasekomye Vostochnogo Zabaykal'ya. In A.P. Rasnitsyn (ed.), Akademiya Nauk SSSR, Trudy Paleontologicheskogo Instituta 239:39-82 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 152182: authorized by Matthew Clapham, entered by Matthew Clapham on 10.11.2013

Creative Commons license: CC BY (attribution)