Nemnekey Section, D. regularis zone [Sunagin Mbr, Pestrotsvet Fm] (Cambrian of Russian Federation)

Where: Khabarovsk Krai, Russian Federation (57.2° N, 132.0° E: paleocoordinates 14.6° S, 17.5° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Anabarites trisulcatus small shelly zone, Pestrotsvet Formation, Nemakit-Daldynian (541.0 - 530.0 Ma)

• Dokidocyathus regularis zone. AGE: Nemakit-Daldynian; refined by A. Hendy (6/2009) on the basis of biostratigraphic data (= Anabarites trisulcatus zone).

• bed-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified limestone

• varriegated limestone with archaeocyathan bioherms (from key)

Size class: macrofossils

Preservation: mold/impression

Primary reference: V. V. Khomentovsky and G. A. Karlova. 1993. Biostratigraphy of the Vendian-Cambrian beds and the lower Cambrian boundary in Siberia. Geological Magazine 130(1):29-45 [P. Wagner/P. Wagner/P. Wagner]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 50418: authorized by Pete Wagner, entered by Pete Wagner on 14.05.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Scyphozoa
 Anabaritida - Anabaritidae
Anabarites trisulcatus Voronova and Missarzhevsky 1969 jellyfish
Tiksitheca licis Rozanov et al. 1969 jellyfish
Cambrotubulus sp. Rozanov et al. 1969 jellyfish
"Cambrotubulus conicus" = Cambrotubulus decurvatus Rozanov et al. 1969 jellyfish
Hyolitha
 Orthothecida -
Lophotheca socialis, "Kotuitheca curta" = Kotuyitheca curta
"Kotuitheca curta" = Kotuyitheca curta Missarzhevsky 1974
Hyolithomorpha
  -
 Sachitida - Siphogonuchitidae
Barskovia hemisymmetrica
  - Khairkhaniidae
Tergomya
 Cyrtonellida - Pollicinidae
Pollicina sp. Holzapfel 1895
Helcionelloida
 Helcionellida - Trenellidae
"Isitiella inpocera" = Parailsanella inpocera
"Isitiella inpocera" = Parailsanella inpocera Zhegallo 1983
 Helcionellida - Helcionellidae
Igorella ungulata, "Latouchella maidipingensis" = Oelandiella maidipingensis, "Latouchella korobkovi" = Oelandiella korobkovi
Igorella ungulata Rozanov et al. 1969
"Latouchella maidipingensis" = Oelandiella maidipingensis YĆ¼ 1974
"Latouchella korobkovi" = Oelandiella korobkovi Vostokova 1962
Purella
  - Maikhanellidae
"Tannuella cf. gracilis" = Purella gracilis
"Tannuella cf. gracilis" = Purella gracilis Voronin et al. 1982
Purella cristata
  - Maikhanellidae
Purella cristata Missarzhevsky 1974
 Hyolithelminthida - Hyolithellidae
? Hyolithellus sp. Billings 1872