Where: Arkhangelsk, Russian Federation (68.5° N, 61.6° E: paleocoordinates 45.7° N, 27.0° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Nyadeita Formation, Anisian (247.2 - 242.0 Ma)

• Middle Triassic, Lower Anisian substage, lower subformation of the Nyadeita Formation (Novikov et al., 2019).

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; lithified, gray, argillaceous shale

Size classes: macrofossils, mesofossils

Preservation: mold/impression

Reposited in the PIN

Primary reference: I. V. Novikov, D. S. Aristov, and I. D. Sukacheva. 2019. Paleontological characterization of the Triassic deposits of the Korotaikha Depression (Northern Cis-Urals). Paleontological Journal 53:752-756 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 207957: authorized by Matthew Clapham, entered by Matthew Clapham on 07.03.2020

Creative Commons license: CC BY (attribution)