Naik-Ya River, well 254, 128.2 m depth, eastern Prepolar Urals (Jurassic of Russian Federation)
Where: Khanty-Mansi Autonomous Okrug, Russian Federation (63.6° N, 60.2° E: paleocoordinates 59.5° N, 56.0° E)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Aulacostephanus eudoxus ammonoid zone, Late/Upper Kimmeridgian (155.7 - 150.8 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified siliciclastic sediments
Size class: macrofossils
Primary reference: M. S. Mesezhnikov. 1984. Kimeridzhskiy i Volzhskiy Yarusy Severa SSSR 1-224 [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 164314: authorized by Matthew Clapham, entered by Matthew Clapham on 29.11.2014
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
Cephalopoda | |
Aulacostephanus (Aulacostephanoceras) undorae Pavlov 1886 ammonite |