Where: Russian Federation (72.9° N, 119.9° E: paleocoordinates 63.3° N, 15.5° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Ulakhan-Krest Formation, Aegean to Aegean (247.2 - 242.0 Ma)

• Lower Anisian, but exact zonal correlation unclear

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Preservation: mold/impression

Primary reference: A. S. Dagys and N. I. Kurushin. 1985. Triasovye brakhiopody i dvustvorchatye mollyuski severa sredney Sibiri. Akademiya Nauk SSSR, Sibirskoe Otdelenie Trudy Instituta Geologii I Geofiziki 633:1-160 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 135907: authorized by Matthew Clapham, entered by Matthew Clapham on 12.11.2012

Creative Commons license: CC BY (attribution)