Where: Bashkortostan, Russian Federation (56.3° N, 56.2° E: paleocoordinates 25.0° N, 41.3° E)

• coordinate based on nearby landmark

When: Sakmarian (293.5 - 290.1 Ma)

• Sterlitamak regional stage

• group of beds-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified reef rocks

Size class: macrofossils

Primary reference: A. Ivanov. 2005. Early Permian chondrichthyans of the middle and south Urals. Revista Brasileira de Paleontologia 8(2):127-138 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 90296: authorized by Matthew Clapham, entered by Matthew Clapham on 15.07.2009

Creative Commons license: CC BY (attribution)