Where: Russian Federation (73.4° N, 113.8° E)
• Paleocoordinates: 71.6° N, 78.5° E (Wright 2013)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Quadrifidus ammonoid zone, Early/Lower Valanginian (137.1 - 132.6 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: CC0 (CC0)
Taxonomic list
Bivalvia | |
Buchia ex gr. keyserlingi Lahusen 1888 scallop
Buchia inflata Toula 1888 scallop | |
Cephalopoda | |
Thorsteinssonoceras bulungensis ammonite | |
Cylindroteuthis (Arctoteuthis) repentina belemnite
Acroteuthis (Boreioteuthis) hauthali belemnite |