Posadskij Log, Sylva river (Permian of Russian Federation)

Where: Kishertskij, Russian Federation (57.4° N, 57.3° E: paleocoordinates 30.5° N, 45.0° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Koshelevka Formation, Kungurian (279.3 - 272.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: deltaic; lithified siliciclastic sediments

• Uralian foreland basin. Alluvial to marine delta-fan environment, close to the sea, deposited under arid climate conditions.

Size class: macrofossils

Preservation: mold/impression

Collected by M. Kruglov in 1930

Primary reference: A. V. Martynov. 1932. New Permian Palaeoptera with the discussion of some problems of their evolution. Akademiya Nauk SSSR, Trudy Paleontologicheskogo Instituta 1:1-44 [M. Clapham/J. Karr/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 111188: authorized by Matthew Clapham, entered by Jered Karr on 20.06.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Insecta
 Megasecoptera - Protohymenidae
"Pseudohymen angustipennis n. gen. n. sp." = Protohymen angustipennis
"Pseudohymen angustipennis n. gen. n. sp." = Protohymen angustipennis Martynov 1932 winged insect
Complete Insect