Where: Russian Federation (64.9° N, 159.0° E: paleocoordinates 67.8° N, 68.0° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Sirenites yakutensis ammonoid zone, Tuvalian (232.0 - 221.5 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified siliciclastic sediments
Size class: macrofossils
Collection methods: Repository: Institute of Geology and Geophysics (IGiG)
Primary reference: E. S. Sobolev. 1989. Triasovye nautilidy severo-vostochnoy Azii. Akademiya Nauk SSSR, Sibirskoe Otdelenie Trudy Instituta Geologii I Geofiziki 727:1-193 [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 166688: authorized by Matthew Clapham, entered by Matthew Clapham on 22.02.2015
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Proclydonautilus pseudoseimkanensis Sobolev 1989 nautiloid |