C-84/4,18/4, Archaeocyathan Hill Locality (Cambrian of Russian Federation)

Also known as Georgievka, ~380 km NNE of Krasnokamensk, Eastern Transbaikalia. 20 meters SW of 9000/7.

Where: Chitinskaya oblast, Russian Federation (52.0° N, 119.0° E: paleocoordinates 1.8° S, 8.9° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: VI Member (Bystraya Formation), Atdabanian (520.0 - 516.0 Ma)

• 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 49391: authorized by Pete Wagner, entered by Pete Wagner on 14.04.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Helcionelloida
 Pelagiellida - Pelagiellidae
Pelagiella adunca He et al. 1984
 Helcionellida - Trenellidae
Parailsanella lata Parkhaev 2001
 Helcionellida - Yochelcionellidae
Yochelcionella crassa Esakova and Zhegallo 1996
Bivalvia
 Fordillida - Fordillidae
Pojetaia runnegari Jell 1980 clam