Also known as Setorym / upper Vostochnaya Khandyga river basin

Where: Sakha, Russian Federation (63.2° N, 139.2° E: paleocoordinates 74.1° N, 29.8° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Nekuchan Formation, Griesbachian (251.9 - 250.5 Ma)

• 8-9m above the base of the Nekuchan Formation

• bed-level stratigraphic resolution

Environment/lithology: marine; concretionary mudstone

Size classes: macrofossils, microfossils

Preservation: mold/impression

Collected in 2017

Primary reference: A. S. Biakov, R. V. Kutygin, N. A. Goryachev, S. S. Burnatny, A. N. Naumov, A. V. Yadrenkin, I. L. Vedernikov, M. F. Tretyakov, and I. V. Brynko. 2018. Discovery of the Late Changhsingian Bivalve Complex and Two Fauna Extinction Episodes in Northeastern Asia at the End of the Permian. Doklady Biological Sciences 480:78-81 [A. Dunhill/B. Allen]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 206761: authorized by Alex Dunhill, entered by Bethany Allen on 28.11.2019

Creative Commons license: CC BY (attribution)