Where: Nizhni Novgorod, Russian Federation (56.9° N, 45.5° E: paleocoordinates 30.4° N, 38.9° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Archosaurus rossicus other zone, Vyatkian (259.5 - 257.4 Ma)

• Vyazniki Assemblage; the terminal part of the Late Tatarian (terminal part of the Vyatkian) (Golubev 2000; Benton 2012, Geology).

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Reposited in the PIN

Primary reference: M. F. Ivakhnenko. 2003. Eotherapsids from the East European Placket (Late Permian). Paleontological Journal 37(Suppl. 4):S339-S465 [R. Butler/R. Butler]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 189316: authorized by Richard Butler, entered by Richard Butler on 10.10.2017

Creative Commons license: CC BY (attribution)