Tolya River, eastern Prepolar Urals (eudoxus zone) (Jurassic of Russian Federation)

Where: Khanty-Mansi Autonomous Okrug, Russian Federation (63.2° N, 60.1° E: paleocoordinates 59.1° N, 56.2° E)

• coordinate estimated from map

• 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

Collection methods: Repository: VNIGRI

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 164303: authorized by Matthew Clapham, entered by Matthew Clapham on 28.11.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

 Ammonitida - Aulacostephanidae
"Aulacostephanus (Aulacostephanoceras) cf. eudoxus" = Aulacostephanus eudoxus
"Aulacostephanus (Aulacostephanoceras) cf. eudoxus" = Aulacostephanus eudoxus d'Orbigny 1850 ammonite