Also known as Amagu River

Where: Russian Federation (45.8° N, 137.7° E: paleocoordinates 47.5° N, 134.7° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Khutsin Formation, Rupelian (33.9 - 28.1 Ma)

• Initially considered Lower Miocene, but now thought to be Oligocene or even Eocene. Rupelian age proposed based on flora and correlation with Voznovo flora (Pavlyutkin et al., 2011).

• group of beds-level stratigraphic resolution

Environment/lithology: lacustrine - small; lithified shale

Size classes: macrofossils, mesofossils

Preservation: adpression

Reposited in the PIN

Primary reference: A. G. Ponomarenko and A. P. Rasnitsyn. 1974. New Mesozoic and Cenozoic Protomecoptera. Paleontological Journal 8:493-507 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 124920: authorized by Matthew Clapham, entered by Matthew Clapham on 29.02.2012

Creative Commons license: CC BY (attribution)