Where: Russian Federation (44.1° N, 40.6° E: paleocoordinates 22.0° N, 40.6° E)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: balatonicus ammonoid zone, Acheshbok Formation, Pelsonian (247.2 - 242.0 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified carbonate
Size class: macrofossils
Collected by N.V. Beznosov in 1972; reposited in the PIN
Primary reference: A. A. Shevyrev. 1995. Triassic ammonoids of the northwest Caucasus. Rossiyskaya Akademiya Nauk, Trudy Paleontologicheskogo Instituta 264:1-174 [M. Clapham/M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 99513: authorized by Matthew Clapham, entered by Matthew Clapham on 15.11.2010
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Flexoptychites bugunzhensis Shevyrev 1968 ceratite
Ptychites besnosovi n. sp. Shevyrev 1995 ceratite |