Section 1. Layers 18 to 21. East Bank of Kiya River across from Selenyi Island. (Cambrian of Russian Federation)

Where: Russian Federation (55.5° N, 88.0° E: paleocoordinates 13.6° S, 6.5° E)

When: 2 Member (Ust’kundat Formation), Tommotian (525.5 - 521.0 Ma)

• member-level stratigraphic resolution

Environment/lithology: gray limestone and limestone

• The interval was deposited in stable conditions. The communities of brachiopods, hyoliths, hyolitherminths, and other organisms apparently lived in soft muddy bottom sediments below the wave base.
• Dark gray platy limestone and clayey limestone

Size classes: macrofossils, mesofossils, microfossils

Preservation: mold/impression

Primary reference: I. V. Korovnikov, D. A. Tokarev, N. V. Novozhilova and A. A. Terleev. 2018. Tommotian (Lower Cambrian) stratigraphy and fossil fauna communities in the Kiya River section (Kuznetsk Alatau). Russian Geology and Geophysics 59:186-192 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 233041: authorized by Pete Wagner, entered by Pete Wagner on 10.01.2024

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Coeloscleritophora
 Chancelloriida - Chancelloriidae
Chancelloria cf. lenaica, Chancelloria cf. eros
Chancelloria cf. eros Walcott 1920
Chancelloria ex gr. eros
Rhynchonellata
 Orthida -
Kundatella asperocostata
Helcionelloida
 Pelagiellida - Pelagiellidae
Pelagiella sp.
Pelagiella sp. Matthew 1895
 Pelagiellida - Aldanellidae
Aldanella sp., Aldanella cf. attleborensis
Aldanella sp. Vostokova 1962
Aldanella cf. attleborensis Shaler and Foerste 1888
Aldanella ex gr. attleborensis
 Helcionellida - Helcionellidae
Helcionella sp., Oelandiella sp., Anabarella sp.
Helcionella sp. Grabau and Shimer 1909
Oelandiella sp. Vostokova 1962
Anabarella sp. Vostokova 1962
 Helcionellida - Coreospiridae
Latouchella sp., Latouchella cf. costata
Latouchella sp. Cobbold 1921
Tergomya
 Kiringellida -
? Hypseloconus sp.
? Hypseloconus sp. Berkey 1898
 Scenelloidea - Scenellidae
Scenella sp.
Scenella sp. Billings 1872
Philoxenella spiralis
  - Khairkhaniidae
Philoxenella spiralis
Philoxenella spiralis Vostokova 1962
Epiphyton
  - Ludloviaceae
Epiphyton sp.
Epiphyton sp. Bornemann 1886