Zun-Shiveya Ravine, site 1487/7, Chiron Depression (Permian of Russian Federation)

Where: Russian Federation (51.5° N, 115.3° E)

• Paleocoordinates: 58.0° N, 70.4° E (Wright 2013)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Zhipkosh Formation, Sakmarian (293.5 - 290.1 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Preservation: cast

Primary reference: A. S. Biakov. 2002. Permian bivalves from the Transbaikal Region. Paleontological Journal 36(5):460-468 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 102155: authorized by Matthew Clapham, entered by Matthew Clapham on 10.01.2011

Creative Commons license: CC0 (CC0)

Taxonomic list

Bivalvia
 Nuculanida - Malletiidae
Palaeoneilo postolegi n. sp. Biakov 2002 clam
 Nuculanida - Polidevciidae
Polidevcia kolyvanica, "Polidevcia jamesi n. sp." = Phestia jamesi
Polidevcia kolyvanica Muromtseva 1974 clam
"Polidevcia jamesi n. sp." = Phestia jamesi Biakov 2002 clam
 Cardiida - Kalenteridae
Permophorus oblongus Meek and Hayden 1872 clam