Malaya Romanikha River, Khetana Basin (Jurassic of Russian Federation)

Where: Krasnoyarsk, Russian Federation (70.8° N, 98.6° E: paleocoordinates 72.0° N, 82.1° 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 163994: 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) subkitchini Spath 1935 ammonite
Possibly from Pictonia involuta zone