Gavrilovka quarry (Cambrian of Russian Federation)

Where: Russian Federation (54.3° N, 85.8° E: paleocoordinates 11.2° S, 8.7° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Gordonicyathus howelli other zone, Gavrilovka Formation, Atdabanian (521.0 - 516.0 Ma)

• formation-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; shelly/skeletal, gray, red limestone

• grey or pinkish-grey knotted biogenic limestones are overflown with archaeocyath remains

Size classes: macrofossils, mesofossils

Primary reference: N. V. Sennikov, I. V. Korovnikov, O. T. Obut, D. A. Tokarev, N. V. Novozhilova and T. Danelian. 2017. The Lower Cambrian of the Salair and Gorny Altai (Siberia) revisited. Bulletin de la Société Géologique de France 188(1-2):1-10 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 232982: authorized by Pete Wagner, entered by Pete Wagner on 09.01.2024

Creative Commons license: CC BY (attribution)

Taxonomic list

Archaeocyatha
 Ajacicyathida - Ajacicyathidae
Orbicyathellus bogradi Zadorozhnaya et al. 1973 archaeocyath sponge
 Ajacicyathida - Densocyathidae
Khirgisocyathus sp. Voronin 1988 archaeocyath sponge
 Ajacicyathida - Bronchocyathidae
Gordonicyathus howelli Vologdin 1932 archaeocyath sponge