Levaya Boyarka River, outcrop 23, bed 5, Taimyr (Jurassic of Russian Federation)

Where: Krasnoyarsk, Russian Federation (70.5° N, 97.8° E: paleocoordinates 71.6° N, 81.8° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Rasenia evoluta ammonoid zone, Early/Lower 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 163996: authorized by Matthew Clapham, entered by Matthew Clapham on 22.11.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ammonitida - Cardioceratidae
Amoeboceras (Amoebites) alticarinatum Mesezhnikov and Romm 1973 ammonite
Amoeboceras (Amoebites) pulchrum Mesezhnikov and Romm 1973 ammonite
 Ammonitida - Perisphinctidae
Rasenia (Rasenia) optima Mesezhnikov 1984 ammonite
Rasenia (Rasenia) khatangensis n. sp. Mesezhnikov 1984 ammonite
Rasenia (Rasenia) magnifica Mesezhnikov 1984 ammonite
"Zonovia (Xenostephanus) ranbyensis" = Zenostephanus ranbyensis Arkell and Callomon 1963 ammonite
Zonovia (Xenostephanus) subquadrata Mesezhnikov 1969 ammonite
Zonovia (Xenostephanus) sachsi Mesezhnikov 1969 ammonite