Nikol'skoe village, Ural River, section 2018 (Permian of Russian Federation)

Where: Orenburg, Russian Federation (51.4° N, 57.1° E: paleocoordinates 21.1° N, 44.5° E)

• coordinate based on nearby landmark

When: Asselian (298.9 - 295.5 Ma)

• Kholodniy Log regional stages

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, sandy limestone and lithified, muddy limestone

• Sandy and clayish limestone

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 90291: authorized by Matthew Clapham, entered by Matthew Clapham on 15.07.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Euselachii - Anachronistidae
Cooleyella "sp. A" Gunnell 1933 elasmobranch
 Ctenacanthiformes - Heslerodidae
Heslerodus sp. Ginter 2002 elasmobranch
 Symmoriiformes -
"Cobelodus obliquus" = Kungurodus obliquus
"Cobelodus obliquus" = Kungurodus obliquus Ivanov 2005 elasmobranch
 Symmoriiformes - Falcatidae
Denaea sp. Pruvost 1922 elasmobranch
"Denaea" decora Ivanov 1999 elasmobranch