Aravan River, SW of Yangi-Kurgan, NE of Koksarau Mt., Sample 4, Fergana (Carboniferous of Uzbekistan)

Where: Uzbekistan (40.8° N, 71.3° E: paleocoordinates 21.9° N, 60.2° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Yeadonian (320.0 - 318.7 Ma)

• Nm2c2 (corresponds to Yeadonian); Upper Namurian

• bed-level stratigraphic resolution

Environment/lithology: offshore shelf; lithified limestone

• lower 30 cm of an 0.9 m thick limestone layer

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 68204: authorized by Martin Aberhan, entered by Sabine Nürnberg on 08.01.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

• Focus on ammonoidea.
Cephalopoda
 Prolecanitida - Pronoritidae
Stenopronorites onerosus Ruzhentsev and Bogoslovskaya 1978 ammonite
 Goniatitida - Ramositidae
Ramosites sp. Ruzhencev and Bogoslovskaya 1969 ammonite
 Goniatitida - Girtyoceratidae
Baschkirites vasilkovskyi Ruzhentsev and Bogoslovskaya 1978 ammonite
 Goniatitida - Delepinoceratidae
Proshumardites karpinskii Rauser-Chernousova 1928 ammonite
 Goniatitida - Dimorphoceratidae
Glyphiolobus sp. Gordon 1964 ammonite
 Goniatitida - Glaphyritidae
Syngastrioceras glaphyritoides Ruzhentsev and Bogoslovskaya 1978 ammonite
Schartymites aravanensis Ruzhentsev and Bogoslovskaya 1978 ammonite
 Goniatitida - Reticuloceratidae
Bilinguites politus Ruzhentsev and Bogoslovskaya 1978 ammonite
 Goniatitida - Homoceratidae
Umbetoceras aravanense Ruzhentsev and Bogoslovskaya 1978 ammonite
 Goniatitida - Gastrioceratidae
Cancelloceras bisati Ruzhentsev and Bogoslovskaya 1978 ammonite
Cancelloceras asianum Ruzhentsev and Bogoslovskaya 1978 ammonite
Cancelloceras parasianum Ruzhentsev and Bogoslovskaya 1978 ammonite