Where: Orenburg, Russian Federation (51.9° N, 56.2° E: paleocoordinates 31.0° N, 48.1° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Archosaurus rossicus other zone, Malaya Kinel Formation, 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: "floodplain"; siliciclastic sediments

Size class: macrofossils

Primary reference: V. V. Bulanov. 2003. Evolution and systematics of seymouriamorph parareptiles. Paleontological Journal 37(Suppl. 1):S1-S105 [R. Butler/R. Butler]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 189570: authorized by Richard Butler, entered by Richard Butler on 31.10.2017

Creative Commons license: CC BY (attribution)