Kapcheranga (PIN collection 1808) (Jurassic of Russian Federation)

Where: Buryatia, Russian Federation (52.0° N, 108.0° E: paleocoordinates 56.5° N, 108.3° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Ichetuy Formation, Oxfordian (163.5 - 157.3 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 - small; lithified siliciclastic sediments

Size classes: macrofossils, mesofossils

Preservation: mold/impression

Collected by G.A. Dmitriev in 1960; 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 123196: authorized by Matthew Clapham, entered by Matthew Clapham on 13.01.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

 Plecoptera -
Kaptsheranga porrecta n. gen. n. sp.
Kaptsheranga porrecta n. gen. n. sp. Sinitshenkova 1985 stonefly
PIN 1804/19-31
 Ephemeroptera - Siphlonuridae
"Epeoromimus beybienkoi" = Mesobaetis sibirica
"Epeoromimus beybienkoi" = Mesobaetis sibirica Brauer et al. 1889 mayfly
PIN 1808/1-7, 11-14; Only PIN 1808/4-7 listed as M. sibirica by Sinitshenkova, 1986