Where: Russian Federation (75.0° N, 112.8° E: paleocoordinates 66.1° N, 4.7° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Protrachyceras omkutchanicum ammonoid zone, Julian (235.0 - 232.0 Ma)

• Lower Carnian

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Preservation: mold/impression

Collection methods: Repository: IGiG (Institute for Geology and Geophysics, Novosibirsk)

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 135840: authorized by Matthew Clapham, entered by Matthew Clapham on 11.11.2012

Creative Commons license: CC BY (attribution)