Rybaki 2 locality, Nikitini Zone (Jurassic of Russian Federation)

Where: Russian Federation (55.5° N, 38.2° E: paleocoordinates 48.8° N, 41.0° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Nikitini zone, Late/Upper Tithonian (150.8 - 145.0 Ma)

• Volgian

Environment/lithology: deep subtidal; claystone

• Clay gray coarse-grained, with interlayers of phosphorite concretions.

Size class: macrofossils

Primary reference: M. A. Rogov, A. A. Mironenko, A. V. Guzhov, E. M. Tesakova, M. A. Ustinova, Y. A. Shurupova, N. G. Zverkov, M. S. Archangelsky, A. S. Shmakov and E. E. Baraboshkin. 2017. Jurassic deposits of the southern part of the Moscow syneclyse and their fauna. Transactions of the Geological Institute [W. Kiessling/M. Krause/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 190562: authorized by Wolfgang Kiessling, entered by Mihaela Krause on 12.12.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ammonitida - Perisphinctidae
Taimyrosphinctes sp. Mesezhnikov 1974 ammonite
 Ammonitida - Virgatitidae
Virgatites cf. crassicostatus Mitta 1987 ammonite
 Ammonitida - Polyptychitidae
"Kachpurites fulgens" = Craspedites (Kachpurites)
"Kachpurites fulgens" = Craspedites (Kachpurites) ammonite