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Naryn-Ichety (PIN collection 3052) (Jurassic of Russian Federation)

Where: Buryatia, Russian Federation (50.6° N, 105.0° E: paleocoordinates 54.6° N, 105.7° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Ichetuy Formation, Oxfordian (161.2 - 155.7 Ma)

• 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.

• group of beds-level stratigraphic resolution

Environment/lithology: lacustrine; lithified siliciclastic sediments

Size classes: macrofossils, mesofossils

Preservation: adpression

Collected by V.M. Skoblo in 1967; reposited in the PIN

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 124595: authorized by Matthew Clapham, entered by Amy Delelli on 20.02.2012, edited by Matthew Clapham

Creative Commons license: CC BY (attribution)