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)
• 10-11m above the base of the Nekuchan Formation
• bed-level stratigraphic resolution
Environment/lithology: marine; concretionary mudstone and sandstone
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 206763: authorized by Alex Dunhill, entered by Bethany Allen on 28.11.2019
Creative Commons license: CC BY (attribution)
Taxonomic list
Foraminifera | |
Cephalopoda | |
Otoceras sp. Griesbach 1880 ceratite | |
Bivalvia | |
Palaeonucula aldanensis Kurushin 1987 nut clam | |
Claraia aff. liuqiaoensis He et al. 2007 scallop |