Khutuda-Yamu River, Section 71, Bed 1 (Triassic of Russian Federation)

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: Vostochnotaimyrskaya 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 99908: authorized by Matthew Clapham, entered by Matthew Clapham on 26.11.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Lingulata
 Lingulida - Discinidae
Orbiculoidea sibirica Moisseiev 1947
 Lingulida - Lingulidae
Lingularia sp. Biernat and Emig 1993
Bivalvia
 Myalinida - Myalinidae
Promyalina kochi Spath 1930 clam
 Ostreida - Bakevelliidae
 Pectinida - Limidae
Pseudolimea kaplani Kurushin 1987 file clam
 Pholadomyida - Megadesmidae
 Trigoniida - Myophoriidae
Neoschizodus orbicularis Bronn 1837 clam
Cephalopoda
 Ceratitida - Columbitidae
"Boreoceras demokidovi" = Rudolftruempyiceras demokidovi
"Boreoceras demokidovi" = Rudolftruempyiceras demokidovi Popov 1961 ceratite