Malyi Chaydakh (Mount Konus) Section. Basal beds, Pestrotsvet Formation (Cambrian of Russian Federation)

Where: Siberia, Russian Federation (57.3° N, 131.2° E: paleocoordinates 9.5° S, 17.2° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Pestrotsvet Formation, Tommotian (525.5 - 521.0 Ma)

• Aldanocyathus sunnaginicus zone

• group of beds-level stratigraphic resolution

Environment/lithology: lithified, glauconitic, green dolomite

• limey dolomite, greenish with glauconite (from key)

Size class: macrofossils

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: general faunal/floral analysis

PaleoDB collection 50319: authorized by Pete Wagner, entered by Pete Wagner on 12.05.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
 Hyolithelminthida - Hyolithellidae
Hyolithellus tschuscunensis, Hyolithellus vladimirovae, Hyolithellus tenuis
Hyolithellus vladimirovae Rozanov and Missarzhevsky 1966
Hyolithellus tenuis Rozanov and Missarzhevsky 1966
 Hyolithelminthida - Torellellidae
Torellella curvae, Torellella lentiformis, Torellella biconvexa
Torellella lentiformis Syssoiev 1962
Torellella biconvexa Rozanov et al. 1969
Tumulduria
  -
Tumulduria incomperta
Coeloscleritophora
 Chancelloriida - Sachitidae
Sachites proboscideus
Archaeocyatha
 Ajacicyathida - Ajacicyathidae
"Aldanocyathus sunnaginicus" = Nochoroicyathus sunnaginicus
"Aldanocyathus sunnaginicus" = Nochoroicyathus sunnaginicus Zhuravleva 1960 archaeocyath sponge
 Capsulocyathida - Cryptoporocyathidae
Cryptoporocyathus junicanensis
Cryptoporocyathus junicanensis archaeocyath sponge
Hexactinellida
 Reticulosa - Protospongiidae
Protospongia sp.
Protospongia sp. Salter 1864 glass sponge
Hyolitha
 Orthothecida - Circothecidae
Conotheca sp.
Conotheca sp. Rozanov et al. 1969
 Orthothecida -
Turcutheca sp.
Turcutheca sp. Rozanov et al. 1969
Hyolithomorpha
  -
Ovalitheca sp.
Orthothecimorpha
 Circothecida -
"Spinulitheca billingsi" = Spinulitheca billingsi, "Coleolella billingsi" = Spinulitheca billingsi
"Spinulitheca billingsi" = Spinulitheca billingsi Syssoiev 1962
"Coleolella billingsi" = Spinulitheca billingsi Syssoiev 1962
Paterinata
 Paterinida - Cryptotretidae
Aldanotreta sunnaginensis
Aculifera
  - Halkieriidae
Halkieria sacciformis
Halkieria sacciformis Meshkova 1969
 Sachitida - Siphogonuchitidae
Siphogonuchites sp.
Helcionelloida
 Helcionellida - Coreospiridae
Latouchella sp.
Latouchella sp. Cobbold 1921
 Helcionellida - Helcionellidae
Bemella jacutica
Bemella jacutica Rozanov and Missarzhevsky 1966
 Helcionellida - Trenellidae
"Isitiella inpocera" = Parailsanella inpocera
"Isitiella inpocera" = Parailsanella inpocera Zhegallo 1983
 Pelagiellida - Aldanellidae
Aldanella crassa, "Aldanella rozanovi" = Aldanella attleborensis
Aldanella crassa Rozanov et al. 1969
"Aldanella rozanovi" = Aldanella attleborensis Shaler and Foerste 1888