Where: Russian Federation (74.9° N, 108.0° E: paleocoordinates 58.9° N, 20.1° E)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Nordophiceras contrarium ammonoid zone, Ystanakhskaya Formation, Spathian (251.3 - 247.2 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified siliciclastic sediments
Size class: macrofossils
Primary reference: A. S. Dagis, A. Y. Egorov, A. M. Kazakov and N. I. Kurushin. 1989. Stratigrafiya Triasovykh otlozheniy yugo-vostochnogo Tajmyria. Verkhniy Paleozoy i Trias Sibiri. Akademiya Nauk SSSR, Sibirskoe Otdelenie Trudy Instituta Geologii I Geofiziki 732:71-91 [M. Clapham/M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 99911: authorized by Matthew Clapham, entered by Matthew Clapham on 26.11.2010
Creative Commons license: CC BY (attribution)
Taxonomic list
| Lingulata | |
|
Lingularia sp. Biernat and Emig 1993 | |
| Bivalvia | |
|
Bakevellia (Maizuria) varians Kurushin 1980 oyster | |
|
Promyalina kochi Spath 1930 clam | |
|
Megadesmus sp. Sowerby 1838 clam | |
| Cephalopoda | |
"Boreoceras lenaense" = Epiboreoceras lenaense
"Boreoceras lenaense" = Epiboreoceras lenaense Dagys and Konstatinov 1984 ceratite | |