Where: Russian Federation (62.1° N, 150.7° E: paleocoordinates 83.2° N, 81.8° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Sirenites yakutensis ammonoid zone, Tuvalian (232.0 - 221.5 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Primary reference: Y.u. M. Bychkov, A. S. Dagys, A. F. Efimova and I. V. Polubotko. 1976. Atlas Triasovoj fauny i fory Severo-Vostoka SSSR [Atlas of Triassic fauna and flora from North-East USSR]. 1-267 [A. Dunhill/B. Allen/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 202626: authorized by Alex Dunhill, entered by Bethany Allen on 16.07.2019

Creative Commons license: CC BY (attribution)