Russky Island, Upper Pospelovka Subformation (Permian of Russian Federation)

Where: Russian Federation (43.1° N, 131.9° E: paleocoordinates 30.4° N, 110.0° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Upper Pospelovka Formation, Kungurian (279.3 - 272.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; siltstone and sandstone

• Contains abundant plant fossils, bivalves, and few conchostracans - probably swamp or lake
• Siltstones, sandstones, mudstones, coal layers, carbonaceus silty mudstone, single limestones lenses

Size class: macrofossils

Collected by D.E. Shcherbakov, V.N. Makarkin, D.S. Aristov, D.V. Vasilenko, E.B. Volynets, V.I. Burago in 2008; reposited in the PIN

Primary reference: V. V. Silantiev and M. N. Urazaeva. 2017. Hypoanthraconaia: a new genus of non-marine bivalve molluscs from the Early Permian of Far East Russia. Palaeontologische Zeitschrift 91:71-84 [W. Kiessling/M. Krause]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 186594: authorized by Wolfgang Kiessling, entered by Mihaela Krause on 27.06.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Malacostraca
 Decapoda - Nephropidae
Bivalvia
 Myalinida - Naiaditidae
Hypoanthraconaia russkiensis Silantiev and Urazaeva 2017 clam
Cycadeoideopsida
 Bennettitales -
Arberiopsida
 Vojnovskyales - Vojnovskyaceae
Dictyopteridiopsida
 Dictyopteridiales - Dictyopteridiaceae
Pinopsida
 Cordaitanthales -
Pteropsida
 Filicinae -
 Osmundales - Osmundaceae
Sphenopteridae
  - Sphenopteridae