Assel' 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: Alportian (322.8 - 321.8 Ma)

• Nm2a2 (corresponds to Alportian); Upper Namurian

• group of beds-level stratigraphic resolution

Environment/lithology: offshore shelf; lithified, gray limestone

• fossils from Sample 1 were collected north of the Assel' River 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 67743: 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 - Pronoritidae
Stenopronorites uralensis
Stenopronorites uralensis Karpinsky 1889 ammonite
 Goniatitida - Girtyoceratidae
Hudsonoceras proteum
Hudsonoceras proteum Brown 1841 ammonite
 Goniatitida - Delepinoceratidae
Proshumardites delepinei
Proshumardites delepinei Schindewolf 1939 ammonite
 Goniatitida - Dimorphoceratidae
Glyphiolobus aff. sholakensis
Glyphiolobus aff. sholakensis Ruzhentsev and Bogoslovskaya 1978 ammonite
 Goniatitida - Homoceratidae
Homoceras asselicum n. sp., Homoceras haugi n. sp.
Homoceras asselicum n. sp. Ruzhentsev and Bogoslovskaya 1978 ammonite
Homoceras haugi n. sp. Ruzhentsev and Bogoslovskaya 1978 ammonite
P. h. haugi (114( and P. h. astrictum (24)