Where: Tajikistan (38.2° N, 74.0° E: paleocoordinates 39.6° S, 77.2° 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 V. I. Dronova
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 68258: authorized by Martin Aberhan, entered by Sabine Nürnberg on 12.01.2007
Creative Commons license: CC BY (attribution)
Taxonomic list
| Cephalopoda | |
|
Epicanites sp. Schindewolf 1926 ammonite | |
|
Stenopronorites uralensis Karpinsky 1889 ammonite | |
|
Paradimorphoceras sp. Ruzhencev 1947 ammonite | |
Syngastrioceras dronovi n. sp.
Syngastrioceras dronovi n. sp. Ruzhentsev and Bogoslovskaya 1978 ammonite | |
Homoceras pamiricum n. sp.
Homoceras pamiricum n. sp. Ruzhentsev and Bogoslovskaya 1978 ammonite | |
|
Proshumardites sp. Rauser-Tschernoussowa 1928 ammonite | |