7000/77, Uslon Section (Cambrian of Russian Federation)

Also known as Georgievka, ~380 km NNE of Krasnokamensk, Eastern Transbaikalia. 10 meters NE from C-84/8

Where: Chitinskaya oblast, Russian Federation (52.0° N, 119.0° E: paleocoordinates 0.8° S, 7.8° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: VI Member (Bystraya Formation), Botomian (516.0 - 513.0 Ma)

• Early Botomian

• bed-level stratigraphic resolution

Environment/lithology: limestone

• 500 meter thick middle subformation composed of dark gray limetsone or, more rarely, of dolostone with interbeds of clayish shale with phosphorites.

Size classes: macrofossils, microfossils

Collection methods: bulk, acetic

Primary reference: P. Y.u. Parkhaev. 2004. Malacofauna of the Lower Cambrian Bystraya Formation of Eastern Transbaikalia. Paleontological Journal 38(6):590-608 [P. Wagner/P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 49386: authorized by Pete Wagner, entered by Pete Wagner on 14.04.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Helcionelloida
 Helcionellida - Helcionellidae
Miroconulus sinitsae Parkhaev 2004
 Helcionellida - Trenellidae
 Helcionellida - Yochelcionellidae
Yochelcionella crassa Esakova and Zhegallo 1996
Bivalvia
 Fordillida - Fordillidae
Pojetaia runnegari Jell 1980 clam