Where: Kemerovo, Russian Federation (53.8° N, 87.7° E: paleocoordinates 62.4° N, 83.5° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Early/Lower Jurassic (201.4 - 174.7 Ma)

• Abashevskaya or Osinovskaya Svita, but exact position uncertain because of lack of study of Jurassic stratigraphy of Kuznetsk basin. Age taken from age of plant collections from Tutuyas.

Environment/lithology: lacustrine; lithified siliciclastic sediments

Size classes: macrofossils, mesofossils

Preservation: adpression

Collected by PIN scientists in 1963

Primary reference: N. D. Sinitshenkova. 1985. Jurskie podenki (Ephemerida-Ephemeroptera) yuzhnoy Sibiri i zapadnoy Mongolii. In A. P. Rasnitsyn (ed.), Jurskie Nasekomye Sibiri i Mongolii 11-23 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 125231: authorized by Matthew Clapham, entered by Amy Delelli on 07.03.2012, edited by Matthew Clapham

Creative Commons license: CC BY (attribution)