Oy-Muran section, Bed 07 (Cambrian of Russian Federation)

Where: Yakutia, Russian Federation (61.1° N, 126.2° E: paleocoordinates 10.3° S, 13.9° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Nochoroicyathus kokoulini other zone, Pestrotsvet Formation, Atdabanian (521.0 - 516.0 Ma)

• Sometimes given as part of the Pestrotsvet formation.

• bed-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; gray, green limestone

• Greenish-gray limestones with lenses of pinkish-gray, clotted, organogenic limestones

Size classes: macrofossils, mesofossils, microfossils

• All the fossils were chemically extracted from limestone rocks with buffered ca. 10% diluted acetic acid and represent shells in apatitic preservation.

Preservation: original calcite

Collected by Andrej Zhuravlev in 1981, 1987; reposited in the PIN

Collection methods: bulk, acetic,

• All the fossils were chemically extracted from limestone rocks with buffered ca. 10% diluted acetic acid and represent shells in apatitic preservation.

Primary reference: A. I. Varlamov, A. Y. Rozanov, V. V. Khomentovsky, YuYa Shabanov, G.P. Abaimova, YuE Demidenko, G. A. Karlova, I. V. Korovnikov, V. A. Luchinina, E. Ya Malakhovskaya, P. Yu Parkhaev, T. V. Pegel, N. A. Skorlotova, V. M. Sundukov, S. S. Sukhov, A. B. Fedorov, and L. D. Kipriyanova. 2008. The Cambrian System of the Siberian Platform. Part 1: The Aldan-Lena region 1-274 [P. Wagner/P. Wagner]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 233071: authorized by Pete Wagner, entered by Pete Wagner on 11.01.2024

Creative Commons license: CC BY (attribution)

Taxonomic list

Paterinata
 Paterinida - Cryptotretidae
Obolellata
 Obolellida - Obolellidae
Obolella chromatica Billings 1861
Stenothecoida
 Cambridioida - Cambridiidae
Trilobita
 Corynexochida - Jakutidae
 Corynexochida - Dorypygidae
Dorypygidae "gen. et sp. indet." Kobayashi 1935 trilobite
 Redlichiida -
Judomia sp. Lermontova 1943 trilobite
Artiopoda
 Agnostida - Hebediscidae
"Delgadella lenaica" = Delgadella lenaicus
"Delgadella lenaica" = Delgadella lenaicus Toll 1899
Archaeocyatha
 Capsulocyathida - Coscinocyathidae
Coscinocyathus dianthus archaeocyath sponge
Coscinocyathus «dianthus»
 Ajacicyathida - Dokidocyathellidae
Dokidocyathella incognita archaeocyath sponge
 Ajacicyathida - Carinacyathidae
Carinacyathus kigitasensis archaeocyath sponge
 Ajacicyathida - Lenocyathidae
Lenocyathus lenaicus archaeocyath sponge
 Ajacicyathida - Jakutocarinidae
Jakutocarinus jakutensis Zhuravleva 1960 archaeocyath sponge
 Ajacicyathida - Tumulifungiidae
Tumulifungia sp. Zhuraleva 1968 archaeocyath sponge
 Ajacicyathida - Tumulocyathidae
Tumulocyathus kotuyikensis archaeocyath sponge
Tumulocyathus sp. archaeocyath sponge
 Ajacicyathida - Geocyathidae
Geocyathus botomaensis archaeocyath sponge
Geocyathus latini archaeocyath sponge
Geocyathus isointervallumus archaeocyath sponge
Geocyathus vsevolodi archaeocyath sponge
 Ajacicyathida - Sanarkocyathidae
Ringifungia vavilovi Zhuravleva et al. 1969 archaeocyath sponge
 Ajacicyathida - Ajacicyathidae
Rotundocyathus novus archaeocyath sponge
Nochoroicyathus tkatschenkoi archaeocyath sponge
Nochoroicyathus gigantoporus archaeocyath sponge
Nochoroicyathus arteintervallum archaeocyath sponge
Nochoroicyathus grandis archaeocyath sponge
 Ajacicyathida - Ethmocyathidae
Baikalocyathus rossicus archaeocyath sponge
Degeletticyathus galuschoki archaeocyath sponge
 Ajacicyathida - Bronchocyathidae
? Gordonicyathus sp. Zhuravleva 1959 archaeocyath sponge
Taylorcyathus subtaylori archaeocyath sponge
Thalamocyathus apprimus archaeocyath sponge
 Ajacicyathida -
Archaeocyathellus sp. Ford 1873 archaeocyath sponge
 Monocyathida - Tumuliolynthidae
Tumuliolynthus tubexternus archaeocyath sponge
 Monocyathida - Monocyathidae
Archaeolynthus nalivkini archaeocyath sponge
 Archaeocyathida - Loculicyathidae
"Robustocyathus biochermicus" = Cambrocyathellus, "Robustocyathus syssoevi" = Cambrocyathellus
"Robustocyathus biochermicus" = Cambrocyathellus archaeocyath sponge
"Robustocyathus syssoevi" = Cambrocyathellus archaeocyath sponge
 Hyolithelminthida - Hyolithellidae
Hyolithellus tenuis Rozanov and Missarzhevsky 1966
 Hyolithelminthida - Torellellidae
Torellella lentiformis Syssoiev 1962