Where: Buryat, Russian Federation (51.4° N, 108.4° E: paleocoordinates 56.0° N, 109.0° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Ichetuy Formation, Oxfordian (163.5 - 157.3 Ma)

• Formation also translated Ichetyua. Insect workers often assign a late Early Jurassic-early Middle Jurassic (or Toarcian-Aalenian) age but radiometric dating of Ichituy Fm volcanics gives ages of 159-156 Ma.

Environment/lithology: lacustrine - small; lithified siliciclastic sediments

Size classes: macrofossils, mesofossils

Preservation: mold/impression

Reposited in the PIN

Primary reference: N. D. Sinitshenkova. 1991. New Mesozoic Mayflies from Transbaikal and Mongolia. Paleontological Journal 25(1):116-119 [M. Clapham/J. Karr/J. Karr]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 118008: authorized by Matthew Clapham, entered by Jered Karr on 30.09.2011

Creative Commons license: CC BY (attribution)