Also known as Mezen' Basin; Nyisagora

Where: Arkhangelsk, Russian Federation (64.9° N, 45.7° E)

• Paleocoordinates: 34.7° N, 38.6° E (Wright 2013)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Ennatosaurus tecton other zone, Krasnoshchel' Formation, Late/Upper Kazanian to Late/Upper Kazanian (274.4 - 264.3 Ma)

• Upper Kazanian substage to lower Tatarian (= Urzhumian); Mezen Assemblage of the Dinocephalian Superassemblage (Golubev 2000)

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Reposited in the PIN

Primary reference: M. F. Ivakhnenko. 1997. New Late Permian nycteroleterids from Eastern Europe. Paleontological Journal 31(5):552-558 [J. Mueller/J. Dummasch]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 85160: authorized by Johannes Mueller, entered by Torsten Liebrecht on 03.12.2008

Creative Commons license: CC0 (CC0)