Where: Russian Federation (67.5° N, 128.3° E: paleocoordinates 59.8° N, 33.4° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Echiy Formation, Artinskian (290.1 - 279.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siltstone

Size class: macrofossils

Collected by M.P. Egorova in 1966

Primary reference: V. N. Andrianov. 1985. Permskie I Nekotorye Kamennougol'nye Ammonoidei Severo-vostoka Azii 1-180 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 215904: authorized by Matthew Clapham, entered by Matthew Clapham on 27.11.2020

Creative Commons license: CC BY (attribution)