Kuruil River, 3 km N of Kuzyanyak, Sample 1, Southern Urals, Bashkortostan (Carboniferous of Russian Federation)

Where: Russian Federation (51.6° N, 57.2° E: paleocoordinates 16.8° N, 39.0° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Chokierian (323.7 - 322.8 Ma)

• Nm2a1 (corresponds to Chokierian); Upper Namurian

• group of beds-level stratigraphic resolution

Environment/lithology: offshore shelf; lithified carbonate

• small hill composed of carbonate and sandy-clayey namurian strata; ammonoids from Sample 1 were derived from the east slope of the hill

Size class: macrofossils

Primary reference: V. E. Ruzhentsev and M. F. Bogoslovskaya. 1978. Namyurskii etap v evolyutsii ammonoidyey - Namurian stage, evolution of ammonoids. Trudyi paleontologicheskovo instituta 167:1-338 [M. Aberhan/S. Nurnberg/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 67728: authorized by Martin Aberhan, entered by Sabine Nürnberg on 07.12.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

• Focus on ammonoidea.
Cephalopoda
 Goniatitida - Ramositidae
Ramosites subtilis Ruzhentsev and Bogoslovskaya 1978 ammonite
 Goniatitida - Dimorphoceratidae
Glyphiolobus sp. Gordon 1964 ammonite
 Goniatitida - Homoceratidae
Homoceras coronatum Haug 1898 ammonite
H. coronatum coronatum
Isohomoceras praematurum Haug 1898 ammonite
 Goniatitida - Glaphyritidae
Physematites charis Ruzhentsev and Bogoslovskaya 1978 ammonite