Chumaza River, Sample 1, Southern Urals, Bashkortostan (Carboniferous of Russian Federation)

Where: Russian Federation (51.9° N, 56.8° E: paleocoordinates 16.8° N, 38.6° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Kinderscoutian (321.8 - 321.3 Ma)

• Nm2b2 (corresponds to Kinderscoutian); Upper Namurian

• group of beds-level stratigraphic resolution

Environment/lithology: offshore shelf; lithified, gray limestone

• ammonoids from Sample 1 were collected from dark gray limestone

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 67745: authorized by Martin Aberhan, entered by Sabine Nürnberg on 08.12.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

• Focus on ammonoidea.
Show authors, comments, and common names
Cephalopoda
 Goniatitida - Bisatoceratidae
Homoceratoides sp.
Homoceratoides sp. Bisat 1924 ammonite
 Goniatitida - Glaphyritidae
Syngastrioceras supinum
Syngastrioceras supinum Ruzhentsev and Bogoslovskaya 1978 ammonite
 Goniatitida - Homoceratidae
Fallacites portentosus
Fallacites portentosus Ruzhentsev and Bogoslovskaya 1971 ammonite
 Goniatitida - Reticuloceratidae
Phillipsoceras alpharhipaeum, Tectiretites confinis
Phillipsoceras alpharhipaeum Ruzhentsev and Bogoslovskaya 1975 ammonite
Tectiretites confinis Ruzhentsev and Bogoslovskaya 1978 ammonite
 Goniatitida - Rhymmoceratidae
Chumazites alter n. sp.
Chumazites alter n. sp. Ruzhentsev and Bogoslovskaya 1978 ammonite
 Goniatitida - Delepinoceratidae
Proshumardites karpinskii
Proshumardites karpinskii Rauser-Chernousova 1928 ammonite