Chumaza River, Sample 2, 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, sandy limestone

• ammonoids from Sample 2 were collected from hard, sandy 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 67746: 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
 Prolecanitida - Daraelitidae
Epicanites sp.
Epicanites sp. Schindewolf 1926 ammonite
 Prolecanitida - Pronoritidae
Stenopronorites uralensis
Stenopronorites uralensis Karpinsky 1889 ammonite
 Goniatitida - Delepinoceratidae
Proshumardites karpinskii
Proshumardites karpinskii Rauser-Chernousova 1928 ammonite
 Goniatitida - Rhymmoceratidae
Chumazites primus n. sp.
Chumazites primus n. sp. Ruzhentsev and Bogoslovskaya 1978 ammonite
 Goniatitida - Ramositidae
Ramosites exrectus n. sp.
Ramosites exrectus n. sp. Ruzhentsev and Bogoslovskaya 1978 ammonite
 Goniatitida - Homoceratidae
Fallacites portentosus
Fallacites portentosus Ruzhentsev and Bogoslovskaya 1971 ammonite
 Goniatitida - Reticuloceratidae
Surenites vicinus n. sp., Surenites crenulatus n. sp., Phillipsoceras alpharhipaeum, Retites ortivus n. sp., Alurites costatus, Tectiretites juvenilatus n. sp., Tectiretites confinis n. sp.
Surenites vicinus n. sp. Ruzhentsev and Bogoslovskaya 1978 ammonite
Surenites crenulatus n. sp. Ruzhentsev and Bogoslovskaya 1975 ammonite
Phillipsoceras alpharhipaeum Ruzhentsev and Bogoslovskaya 1975 ammonite
Retites ortivus n. sp. Ruzhentsev and Bogoslovskaya 1978 ammonite
Alurites costatus Ruzhentsev and Bogoslovskaya 1975 ammonite
Tectiretites juvenilatus n. sp. Ruzhentsev and Bogoslovskaya 1978 ammonite
Tectiretites confinis n. sp. Ruzhentsev and Bogoslovskaya 1978 ammonite
 Goniatitida - Glaphyritidae
Syngastrioceras supinum, Stenoglaphyrites miserabilis n. sp., Schartymites chumazensis n. sp.
Syngastrioceras supinum Ruzhentsev and Bogoslovskaya 1978 ammonite
Stenoglaphyrites miserabilis n. sp. Ruzhentsev and Bogoslovskaya 1978 ammonite
Schartymites chumazensis n. sp. Ruzhentsev and Bogoslovskaya 1978 ammonite