Artist-Agatyn-Yurege Creek, rotelliforme zone, Kengdey river basin (TsSGM coll) (Triassic of Russian Federation)

Where: Russian Federation (71.8° N, 127.8° E: paleocoordinates 65.7° N, 13.3° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• 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 151172: authorized by Matthew Clapham, entered by Matthew Clapham on 23.09.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ceratitida - Ceratitidae
Gymnotoceras inflatum Konstantinov 1991 ceratite
"Gymnotoceras rotelliforme" = Gymnotoceras rotelliformis Meek 1877 ceratite
Gymnotoceras tasaryense Konstantinov 1991 ceratite