Khanaka River, left side of Ardzharnak River, Gissar Mts. (Carboniferous of Tajikistan)

Where: Tajikistan (38.8° N, 68.6° E: paleocoordinates 22.4° N, 54.0° 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 carbonate

Size class: macrofossils

Collection methods: collected by A. S. Pitinova

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 68257: authorized by Martin Aberhan, entered by Sabine Nürnberg on 12.01.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

• Focus on ammonoidea.
Cephalopoda
 Goniatitida - Dimorphoceratidae
Glyphiolobus aff. sholakensis Ruzhentsev and Bogoslovskaya 1978 ammonite
 Goniatitida - Homoceratidae
Homoceras pamiricum Ruzhentsev and Bogoslovskaya 1978 ammonite
 Goniatitida - Glaphyritidae
Physematites charis Ruzhentsev and Bogoslovskaya 1978 ammonite