PBDB Collection

west Prianabar Section, Medvezhin Formation, Member 2 (Cambrian of Russian Federation)

Where: Krasnoyarsk Krai, Russian Federation (70.7° N, 103.0° E: paleocoordinates 24.4° S, 6.7° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Aldanocyathus sunnaginicus other zone, 2 Member (Medvezhin Formation), Tommotian (525.5 - 521.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lithified limestone

• variegated limestone (from key)

Size classes: macrofossils, mesofossils, microfossils

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 50429: authorized by Pete Wagner, entered by Pete Wagner on 15.05.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

Hyolithelminthida - Torellellidae	Torellella lentiformis Torellella lentiformis Syssoiev 1962
Hyolithelminthida - Hyolithellidae	Hyolithellus tenuis, Hyolithellus vladimirovae Hyolithellus tenuis Rozanov and Missarzhevsky 1966 Hyolithellus vladimirovae Rozanov and Missarzhevsky 1966
Hyolitha
Orthothecida -	Nikatheca kengedeica Nikatheca kengedeica
Orthothecida - Circothecidae	Circotheca kuteinicovi, Conotheca mammilata, Crossbitheca arcuaria Circotheca kuteinicovi Conotheca mammilata Rozanov et al. 1969 Crossbitheca arcuaria Missarzhevsky 1974
Orthothecida -	Turcutheca crasseocochlia Turcutheca crasseocochlia Syssoiev 1962
Orthothecida - Allathecidae	Allatheca concinna, Exilitheca sp., Exilitheca multa Allatheca concinna Rozanov et al. 1969 Exilitheca sp. Exilitheca multa
Orthothecida -	Lophotheca zhongoshensis, "Turcutheca cotuiensis" = Khetatheca cotuiensis Lophotheca zhongoshensis "Turcutheca cotuiensis" = Khetatheca cotuiensis Syssoiev 1959
Orthothecimorpha
Circothecida -	Ladatheca annae, Spinulitheca sp., Spinulitheca rotunda Ladatheca annae Spinulitheca sp. Sysoyev 1968 Spinulitheca rotunda
Brachiopoda
Mitrosagophora - Tommotiidae	"Tommotia sp." = Camenella "Tommotia sp." = Camenella Rozanov and Missarzhevsky 1966
Tommotiida - Sunnaginiidae	Sunnaginia sp. Sunnaginia sp. Rozanov et al. 1969
Barskovia hemisymmetrica
- Khairkhaniidae	Barskovia hemisymmetrica Barskovia hemisymmetrica Golubev 1976
Salanyella
-	Salanyella costulata Salanyella costulata Missarzhevsky and Mambetov 1981
Helcionelloida
Helcionellida - Helcionellidae	Igorella ungulata, "Rostroconus sp." = Bemella, Bemella jacutica, "Latouchella korobkovi" = Oelandiella korobkovi, "Latouchella maidipingensis" = Oelandiella maidipingensis, Anabarella plana, Securiconus sinus Igorella ungulata Rozanov et al. 1969 "Rostroconus sp." = Bemella Rozanov et al. 1969 Rostraconus sp. Bemella jacutica Rozanov and Missarzhevsky 1966 "Latouchella korobkovi" = Oelandiella korobkovi Vostokova 1962 "Latouchella maidipingensis" = Oelandiella maidipingensis Yü 1974 Anabarella plana Vostokova 1962 Securiconus sinus
Helcionellida - Coreospiridae	"Latouchella anxiensis" = Latouchella, "Archaeospira sp." = Latouchella "Latouchella anxiensis" = Latouchella "Archaeospira sp." = Latouchella Cobbold 1921
Pelagiellida - Aldanellidae	"Aldanella attleborensis" = Aldanella attleborensis, "Aldanella utchurica" = Aldanella attleborensis "Aldanella attleborensis" = Aldanella attleborensis Shaler and Foerste 1888 "Aldanella utchurica" = Aldanella attleborensis Shaler and Foerste 1888
Fomitchella infundibuliformis
-	"Fomitchella infundibuliformis" = Fomitchella infundabiliformis "Fomitchella infundibuliformis" = Fomitchella infundabiliformis Rozanov et al. 1969
Coleolus
- Coleolidae	Coleolus trigonus Coleolus trigonus Syssoiev 1962
Scyphozoa
Anabaritida - Anabaritidae	"Anabarites ternarius" = Selindeochrea ternaria, Selindeochrea tecta, Anabarites tristichus, "Anabaritellus hexasulcatus" = Anabarites hexasulcatus, Anabarites trisulcatus, Cambrotubulus decurvatus "Anabarites ternarius" = Selindeochrea ternaria Rozanov et al. 1969 jellyfish Selindeochrea tecta Val'kov 1982 jellyfish Anabarites tristichus Rozanov et al. 1969 jellyfish "Anabaritellus hexasulcatus" = Anabarites hexasulcatus Missarzhevsky 1974 jellyfish Anabarithellus hexasulcatus Anabarites trisulcatus Voronova and Missarzhevsky 1969 jellyfish Cambrotubulus decurvatus Rozanov et al. 1969 jellyfish
Wiwaxidae
- Wiwaxidae	Wiwaxidae indet. Wiwaxidae indet. Walcott 1911