Mount 1291.1, Gonam. Aldanocyathus sunnaginicus zone (Cambrian of Russian Federation)

Where: Khabarovsk Krai, Russian Federation (57.3° N, 131.2° E: paleocoordinates 9.6° S, 17.2° W)

• coordinate estimated from map

• outcrop-level geographic resolution

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

• Aldanocyathus sunnaginicus zone

• group of beds-level stratigraphic resolution

Environment/lithology: lithified dolomite

• limey dolomite (from key)

Size class: macrofossils

Preservation: mold/impression, replaced with phosphate

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 50314: authorized by Pete Wagner, entered by Pete Wagner on 12.05.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Paterinata
 Paterinida - Cryptotretidae
Brachiopoda
 Tommotiida - Tommotiidae
"Tommotia koztowskii" = Camenella
"Tommotia koztowskii" = Camenella
Hyolitha
 Orthothecida -
Turcutheca sp. Rozanov et al. 1969
 Orthothecida - Allathecidae
 Orthothecida - Circothecidae
Orthothecimorpha
 Circothecida -
"Spinulitheca billingsi" = Spinulitheca billingsi, "Coleolella billingsi" = Spinulitheca billingsi
"Spinulitheca billingsi" = Spinulitheca billingsi Syssoiev 1962
"Coleolella billingsi" = Spinulitheca billingsi Syssoiev 1962
Barskovia hemisymmetrica
  - Khairkhaniidae
Barskovia hemisymmetrica Golubev 1976
[entered as Barskovia hemlsymmetrica]
Helcionelloida
 Helcionellida - Trenellidae
"Isitiella inpocera" = Parailsanella inpocera
"Isitiella inpocera" = Parailsanella inpocera Zhegallo 1983
 Helcionellida - Carinopeltidae
Gonamella rostrata Val'kov and Karlova 1984
  - Stenothecidae
"Heraultipegma sibirica" = Watsonella crosbyi
"Heraultipegma sibirica" = Watsonella crosbyi Grabau 1900
  - Helcionellidae
"Isitiella gonamica" = Anuliconus gonamica, Bemella septata, Bemella jacutica, "Latouchella korobkovi" = Oelandiella korobkovi
"Isitiella gonamica" = Anuliconus gonamica Val'kov and Karlova 1984
Bemella septata Rozanov and Missarzhevsky 1966
Bemella jacutica Rozanov and Missarzhevsky 1966
"Latouchella korobkovi" = Oelandiella korobkovi Vostokova 1962
 Pelagiellida - Aldanellidae
"Aldanella ex gr. attleborensis" = Aldanella attleborensis, "Aldanella rozanovi" = Aldanella attleborensis
"Aldanella ex gr. attleborensis" = Aldanella attleborensis Shaler and Foerste 1888
"Aldanella rozanovi" = Aldanella attleborensis Shaler and Foerste 1888
Aculifera
  - Halkieriidae
 Sachitida - Siphogonuchitidae
 Palaeoscolecidomorpha -
 Hyolithelminthida - Torellellidae
 Hyolithelminthida - Hyolithellidae
Hyolithellus tenuis Rozanov and Missarzhevsky 1966
Hyolithellus vladimirovae Rozanov and Missarzhevsky 1966
Hyolithellus grandis Rozanov et al. 1969
Tommotitubulus
  -
Coleoloides
  -
Coeloscleritophora
 Chancelloriida - Sachitidae
Coleolus
  - Coleolidae