ammonites
Tykhta River, ditch 34, Kutsnetsk Basin (PIN collection 506) (Permian to of Russian Federation)

Also known as Sokolova II

Where: Russian Federation (54.2° N, 86.9° E: paleocoordinates 47.6° N, 60.0° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Gramoteinskaya Formation (Erunakovskaya Group), Wuchiapingian to Wuchiapingian (259.0 - 252.3 Ma)

• Sokolovski seam IX roof. Correlated to the middle Vyatkian (Durante, 2007, Permophiles 49).

Environment/lithology: terrestrial; lithified siliciclastic sediments

Size class: macrofossils

Preservation: mold/impression

Reposited in the PIN

Primary reference: O. M. Martynova. 1958. Novye nasekomye iz Permskikh i Mezozoiskikh otlozhenii SSSR [=New insects from the Permian and Mesozoic deposits of the USSR]. Materialy po Osnovam Paleontologii 2:69-94 [M. Clapham/M. Clapham] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 122565: authorized by Matthew Clapham, entered by Matthew Clapham on 03.01.2012, edited by Jered Karr and Lindy Edwards

Creative Commons license: CC BY-NC-ND (attribution-noncommercial-no derivatives)