Where: Russian Federation (75.0° N, 111.9° E: paleocoordinates 59.8° N, 19.0° E)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Nordophiceras contrarium ammonoid zone, 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 and S. P. Ermakova. 1988. Boreal'nye Pozdneolenekskie Ammonoidei. Trudy Instituta Geologii i Geofiziki 714:1-135 [M. Clapham/M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 107018: authorized by Matthew Clapham, entered by Matthew Clapham on 31.03.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
| Cephalopoda | |
|
Anoploceras taimyrense Schtastlivtceva 1986 nautiloid | |
|
Nordophiceras contrarium Popov 1962 ammonite | |
|
Praesibirites tuberculatus Dagis and Konstantinov 1984 ceratite | |
|
| |