Where: Russian Federation (70.6° N, 97.3° E)
• Paleocoordinates: 65.9° N, 75.7° E (Wright 2013)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Early/Lower Valanginian (137.1 - 132.6 Ma)
• Quadrifidus and Astieriptychus zones
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified sandstone
Size class: macrofossils
Collected by Bogomolov in 1981
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 189653: authorized by Matthew Clapham, entered by Matthew Clapham on 04.11.2017
Creative Commons license: CC0 (CC0)
Taxonomic list
Cephalopoda | |
Euryptychites (Propolyptychites) globulosus Koenen 1909 ammonite |