Mechetlino quarry, sample 5919-4b (Permian of Russian Federation)

Where: Russian Federation (55.4° N, 58.0° E: paleocoordinates 27.2° N, 45.4° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Artinskian (290.1 - 279.3 Ma)

• Sargian regional stage

• bed-level stratigraphic resolution

Environment/lithology: lithified limestone

Size classes: mesofossils, microfossils

Collection methods: chemical

• Repository: Palaeontological Museum of the Institute of Earth Sciences, St. Petersburg State University (abbreviation PM SPU)

Primary reference: A. O. Ivanov. 2017. Chondrichthyans from the Lower Permian of Mechetlino, south Urals, Russia. Bulletin of Geosciences 91:717-729 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 184256: authorized by Matthew Clapham, entered by Matthew Clapham on 11.02.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Euselachii - Sphenacanthidae
Sphenacanthus sp. Agassiz 1837 elasmobranch
 Euselachii - Anachronistidae
Cooleyella amazonensis Duffin et al. 1996 elasmobranch
 Symmoriiformes -
Kungurodus obliquus Ivanov 2005 elasmobranch