Where: Russian Federation (54.5° N, 59.8° E: paleocoordinates 19.8° N, 37.4° E)
• coordinate estimated from map
• small collection-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 limestone
Size class: macrofossils
Collection methods: collected by A. A. Sultanayeva
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 67770: authorized by Martin Aberhan, entered by Sabine Nürnberg on 08.12.2006
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Paradimorphoceras sp. Ruzhencev 1947 ammonite
Glyphiolobus aff. sholakensis Ruzhentsev and Bogoslovskaya 1978 ammonite | |
Hudsonoceras proteum Brown 1841 ammonite | |
Isohomoceras inostranzewi, Vallites schmidti, Homoceras schartymense n. sp., Parahomoceras aff. asperum
Isohomoceras inostranzewi Karpinsky 1889 ammonite
Vallites schmidti Ruzhentsev and Bogoslovskaya 1971 ammonite
Homoceras schartymense n. sp. Ruzhentsev and Bogoslovskaya 1978 ammonite
Parahomoceras aff. asperum Ruzhentsev and Bogoslovskaya 1971 ammonite | |
Glaphyrites sp. Ruzhencev 1936 ammonite
Glaphyrites sultanaevi n. sp. Ruzhentsev and Bogoslovskaya 1978 ammonite |