Column 11. Interfluve of the Medvezhya and Eriechka rivers (Cambrian of Russian Federation)

Also known as Разрез вскрыт в междуречье рек Медвежья и Эриечка

Where: Krasnoyarsk Krai, Russian Federation (71.3° N, 99.5° E: paleocoordinates 25.4° S, 5.8° W)

• coordinate based on nearby landmark

When: Nochoroicyathus sunnaginicus other zone, Medvezhya Formation, Tommotian (525.5 - 521.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; brown, red, silty limestone

• The limestones are variegated, predominantly red, more or less clayey, brownish-gray in the lower part, medium-platy, dolomitic. In the upper part with algal-archaeocyathous bioherms. Thickness from 35 m in the east to 65-70 m in the west.

Size classes: macrofossils, mesofossils, microfossils

Primary reference: L. N. Repina and A. Y.u. Rozanov. 1992. Кембрии Сибири [Cambrian Siberia]. Российская Академия Наук Сибирское Отделение. Труды Института Геологии И Геофизики [The Russian Academy of Sciences Siberian Division. Proceedings of the Institute of Geology and Geophysics] 788:1-133 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 232905: authorized by Pete Wagner, entered by Pete Wagner on 07.01.2024

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
 Hyolithelminthida - Hyolithellidae
Hyolithellus tenuis
Hyolithellus tenuis Rozanov and Missarzhevsky 1966
Hyolitha
 Orthothecida -
Turcutheca sp.
Turcutheca sp. Rozanov et al. 1969
Purella cristata
  - Maikhanellidae
Purella cristata
Purella cristata Missarzhevsky 1974
Purella antiqua
  - Maikhanellidae
Purella antiqua
Purella antiqua Kiær 1916
Helcionelloida
 Pelagiellida - Aldanellidae
Aldanella crassa, "Aldanella attleborensis" = Aldanella attleborensis, "Aldanella rozanovi" = Aldanella attleborensis
Aldanella crassa Rozanov et al. 1969
"Aldanella attleborensis" = Aldanella attleborensis Shaler and Foerste 1888
"Aldanella rozanovi" = Aldanella attleborensis Shaler and Foerste 1888
 Helcionellida - Helcionellidae
"Latouchella korobkovi" = Oelandiella korobkovi, Anabarella plana, Igorella ungulata
"Latouchella korobkovi" = Oelandiella korobkovi Vostokova 1962
Anabarella plana Vostokova 1962
Igorella ungulata Rozanov et al. 1969
Scyphozoa
 Anabaritida - Anabaritidae
"Anabarites tripartitus" = Selindeochrea tripartita, Tiksitheca licis, Anabarites trisulcatus, Cambrotubulus decurvatus
"Anabarites tripartitus" = Selindeochrea tripartita Rozanov et al. 1969 jellyfish
Tiksitheca licis Rozanov et al. 1969 jellyfish
Anabarites trisulcatus Voronova and Missarzhevsky 1969 jellyfish
Cambrotubulus decurvatus Rozanov et al. 1969 jellyfish
Fomitchella
  -
Fomitchella sp.
Fomitchella sp. Missarzhevsky in Rozanov 1969