Marukha River, sample T-2891/10a (Devonian of Russian Federation)

Where: Russian Federation (43.6° N, 41.5° E: paleocoordinates 43.6° N, 41.5° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Wocklumeria sphaeroides ammonoid zone, Late/Upper Famennian (364.7 - 360.7 Ma)

• Kalloclymenia-Wocklumeria genozone. Wocklumeria sphaeroides zone. This zone, established in the type region (in Germany) based on the appearance of Wocklumeria sphaeroides , corresponds to the UD VI-D Series, Wocklumeria Zone (Becker, 1993), and the lower part of the upper paradoxa Zone (Korn, 1986).

• group of beds-level stratigraphic resolution

Environment/lithology: lithified limestone

Size class: macrofossils

Collected by L.D. Chegodaev; reposited in the PIN

Primary reference: S. V. Nikolaeva and B. I. Bogoslovsky. 2005. On the occurrence of Famennian ammonoids in the northern Caucasus. Paleontological Journal 39:465-475 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 190001: authorized by Matthew Clapham, entered by Matthew Clapham on 25.11.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

 Clymeniida - Cymaclymeniidae
Cymaclymenia quieta n. sp. Nikolaeva 2005 ammonite
 Clymeniida - Kosmoclymeniidae
 Goniatitida - Prionoceratidae
Mimimitoceras sp. Korn 1988 ammonite