Where: Komi, Russian Federation (66.0° N, 60.1° E: paleocoordinates 36.7° N, 38.2° E)

• coordinate stated in text

• small collection-level geographic resolution

When: Inta Formation, Artinskian to Artinskian (290.1 - 272.5 Ma)

• Locality biostratigraphically lies within the Inta Assemblage Zone (Inta Kompleks) (Ivakhnenko, 1990; Modesto & Rybczynski, 2000), which is Asselian to Ufimian in age (Modesto & Rybczynski, 2000). Ivakhnenko (1990, fig. 1) and Shishkin et al. (2000) say that the locality is of Ufimian age; Ivakhnenko (2008 p. 87) states that the locality is Artinskian in age ("same age" as type locality of Riabininus uralensis, see collection (84718)).

Environment/lithology: terrestrial; carbonaceous shale and sandstone

Size class: macrofossils

Reposited in the PIN

Primary reference: M. F. Ivakhnenko. 1990. Rannepermskie elementy faunicheskikh kompleksov tetrapod vostochnoy evropy. Paleontologicheskii Zhurnal 1990(2):102-111 [J. Mueller/T. Liebrecht/T. Liebrecht] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 84719: authorized by Johannes Mueller, entered by Torsten Liebrecht on 09.11.2008