Where: Russian Federation (72.6° N, 124.3° E: paleocoordinates 64.4° N, 13.9° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Gymnotoceras rotelliforme ammonoid zone, Illyrian (247.2 - 242.0 Ma)

• Olenekense subzone

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Collection methods: Repository: TsSGM (Central Siberian Geological Museum in the Institute of Geology, Geography and Mineralogy of the Siberian Branch, Russian Academy of Sciences, Novosibirsk), same as IGiG (Institute for Geology and Geophysics, Novosibirsk)

Primary reference: A. G. Konstantinov. 1991. Biostratigrafiya i ammonoidei verkhnego Aniziya severa Sibiri. Akademiya Nauk SSSR, Sibirskoe Otdelenie Trudy Instituta Geologii I Geofiziki 787:1-136 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 97134: authorized by Matthew Clapham, entered by Matthew Clapham on 18.07.2010

Creative Commons license: CC BY (attribution)