Kokuy (PIN collection 3796) (Cretaceous of Russian Federation)

Where: Chita, Russian Federation (51.9° N, 118.9° E: paleocoordinates 55.9° N, 117.2° 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 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 152173: authorized by Matthew Clapham, entered by Matthew Clapham on 10.11.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Insecta
 Coleoptera - Helophoridae
"Mesosperchus tarsalis" = Helophorus (Mesosperchus) tarsalis
"Mesosperchus tarsalis" = Helophorus (Mesosperchus) tarsalis Ponomarenko 1977 water scavenger beetle
PIN 3796/25, 27