Levaya Boyarka River, outcrop 23, bed 2, 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 163992: authorized by Matthew Clapham, entered by Matthew Clapham on 22.11.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Goniatitida - Prionoceratidae
Amoeboceras (Amoebites) pulchrum Mesezhnikov and Romm 1973 ammonite
Amoeboceras (Amoebites) spathi Schulgina 1960 ammonite
 Ammonitida - Perisphinctidae
Rasenia (Eurasenia) triplicata Mesezhnikov 1984 ammonite
Rasenia (Rasenioides) aff. aurita Mesezhnikov 1984 ammonite
Rasenia (Rasenia) magnifica Mesezhnikov 1984 ammonite
Rasenia (Rasenia) aff. magnifica Mesezhnikov 1984 ammonite
Rasenia (Rasenia) optima n. sp. Mesezhnikov 1984 ammonite
Rasenia (Rasenia) evoluta Spath 1935 ammonite