Where: Buryatia, Russian Federation (51.3° N, 108.3° E: paleocoordinates 55.8° N, 108.9° 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: terrestrial; lithified siliciclastic sediments
Size classes: macrofossils, mesofossils
Preservation: adpression
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 125229: authorized by Matthew Clapham, entered by Matthew Clapham on 07.03.2012
Creative Commons license: CC BY (attribution)
Taxonomic list
Insecta | |
Perlomimus multus n. gen. n. sp.2
| |
| |
|