Where: Russian Federation (73.4° N, 113.8° E: paleocoordinates 75.7° N, 91.6° E)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Quadrifidus ammonoid zone, Early/Lower Valanginian (140.2 - 136.4 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified shale
Size class: macrofossils
Collected by Bogomolov in 1980
Primary reference: Y. I. Bogomolov. 1989. Poliptikhity (Ammonity) i biostratigrafiya boreal'nogo Valanzhina. Akademiya Nauk SSSR, Sibirskoe Otdelenie Trudy Instituta Geologii I Geofiziki 696:1-199 [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 189625: authorized by Matthew Clapham, entered by Matthew Clapham on 03.11.2017
Creative Commons license: CC BY (attribution)
Taxonomic list
| Bivalvia | |
|
Buchia ex gr. keyserlingi scallop
Buchia inflata scallop | |
| Cephalopoda | |
|
Thorsteinssonoceras bulungensis ammonite | |