Srednyaya Mountain, Batenevskiy Ridge, section I, units 1-3 (Cambrian of Russian Federation)

Where: Khakasiya, Russian Federation (54.2° N, 90.8° E: paleocoordinates 9.6° S, 6.2° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Thalamocyathus howelli other zone, Usa Formation, Atdabanian (521.0 - 516.0 Ma)

• sample C-63, C-65, C-67, C-69, 93 m thick, Bazaikha stage

• group of beds-level stratigraphic resolution

Environment/lithology: perireef or subreef; lithified limestone

• limestone breccia

Size class: macrofossils

Collection methods: peel or thin section,

Primary reference: D. V. Osadchaya, L. N. Kashina, I. T. Zhuravleva and N. P. Borodina. 1979. Stratigrafiya i arkheotsiaty nizhnego kembriya Altaye-Sayanskoy skladchatoy oblasti [Lower Cambrian stratigraphy and archaeocyatha of the Altay-Sayan fold belt]. Trudy Instituta Geologii i Geofiziki, Sibirskoye Otdeleniye 380:1-215 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 81327: authorized by Wolfgang Kiessling, entered by Uta Merkel on 20.06.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Ascocyathus yavorskii, Sanaricyathus sp.
Trilobita
 Corynexochida - Dolichometopidae
Basanellus latus
 Redlichiida - Bigotinidae
"Bigotinops cf. privus" = Suvorovaella priva
"Bigotinops cf. privus" = Suvorovaella priva Suvorova 1960 trilobite
 Redlichiida - Ellipsocephalidae
Asiatella elegans, Kijanella sp., Kijanella diffusica, Kijanella batenica
Kijanella sp. Repina 1958 trilobite
 Redlichiida - Palaeolenidae
Resimopsis marlinica
 Redlichiida - Estaingiidae
Mundocephalina sp.
Mundocephalina sp. Repina 1958 trilobite
Archaeocyatha
 Capsulocyathida - Coscinocyathidae
Coscinocyathus sp., Coscinocyathus cornucopiae
Coscinocyathus sp. Bornemann 1884 archaeocyath sponge
Coscinocyathus cornucopiae archaeocyath sponge
 Archaeocyathida - Loculicyathidae
Loculicyathus sp., "Robustocyathus directus" = Cambrocyathellus, "Robustocyathus sp." = Cambrocyathellus, "Robustocyathus patulus" = Cambrocyathellus, "Robustocyathus cf. robustus" = Cambrocyathellus robustus
Loculicyathus sp. archaeocyath sponge
"Robustocyathus directus" = Cambrocyathellus archaeocyath sponge
"Robustocyathus sp." = Cambrocyathellus archaeocyath sponge
"Robustocyathus patulus" = Cambrocyathellus archaeocyath sponge
"Robustocyathus cf. robustus" = Cambrocyathellus robustus Vologdin 1937 archaeocyath sponge
 Archaeocyathida - Archaeopharetridae
Protopharetra grandicaveata
Protopharetra grandicaveata archaeocyath sponge
 Monocyathida - Tumuliolynthidae
Tumuliolynthus tubexternus
Tumuliolynthus tubexternus archaeocyath sponge
 Monocyathida - Monocyathidae
Archaeolynthus sibiricus, Archaeolynthus nalivkini, Archaeolynthus unimurus
Archaeolynthus sibiricus archaeocyath sponge
Archaeolynthus nalivkini archaeocyath sponge
Archaeolynthus unimurus archaeocyath sponge
 Ajacicyathida - Kijacyathidae
Kijacyathus sp.
Kijacyathus sp. archaeocyath sponge
 Ajacicyathida - Tumulocyathidae
"Tumulocyathus pustulatus" = Tumulocyathus, "Kotuyicyathus sp." = Tumulocyathus, "Tumulocyathellus sp." = Plicocyathus
"Tumulocyathus pustulatus" = Tumulocyathus archaeocyath sponge
"Kotuyicyathus sp." = Tumulocyathus archaeocyath sponge
"Tumulocyathellus sp." = Plicocyathus Vologdin 1960 archaeocyath sponge
 Ajacicyathida - Geocyathidae
Geocyathus indigenus
Geocyathus indigenus archaeocyath sponge
 Ajacicyathida - Tumulifungiidae
Subtumulocyathellus vulgaris n. gen. n. sp.
Subtumulocyathellus vulgaris n. gen. n. sp. Osadchaya et al. 1979 archaeocyath sponge
 Ajacicyathida - Ethmocyathidae
Degeletticyathus sp., "Ussuricyathus sp." = Mackenziecyathus, Baikalocyathus sp.
Degeletticyathus sp. archaeocyath sponge
"Ussuricyathus sp." = Mackenziecyathus archaeocyath sponge
Baikalocyathus sp. archaeocyath sponge
 Ajacicyathida - Densocyathidae
Leptosocyathus sp.
Leptosocyathus sp. archaeocyath sponge
 Ajacicyathida - Bronchocyathidae
Thalamocyathus howelli, Thalamocyathus subhowelli, Gordonicyathus sp.
Thalamocyathus howelli archaeocyath sponge
Thalamocyathus subhowelli archaeocyath sponge
Gordonicyathus sp. Zhuravleva 1959 archaeocyath sponge
 Ajacicyathida - Ajacicyathidae
Sibirecyathus sp., Orbicyathus sp., Rotundocyathus proscurjakovi, Rotundocyathus cf. khemtschikensis, Rotundocyathus tomicus, Rotundocyathus sp., Orbicyathellus bogradi, "Nochoroicyathus cf. spinosus" = Nochoroicyathus, "Nochoroicyathus sp." = Nochoroicyathus, "Aldanocyathus sp." = Nochoroicyathus, "Aldanocyathus amplus" = Nochoroicyathus, Nochoroicyathus howelli, Nochoroicyathus diadromus n. sp.
Sibirecyathus sp. Vologdin 1937 archaeocyath sponge
Orbicyathus sp. Vologdin 1937 archaeocyath sponge
Rotundocyathus proscurjakovi archaeocyath sponge
Rotundocyathus tomicus archaeocyath sponge
Rotundocyathus sp. Vologdin 1960 archaeocyath sponge
Orbicyathellus bogradi Zadorozhnaya et al. 1973 archaeocyath sponge
"Nochoroicyathus cf. spinosus" = Nochoroicyathus archaeocyath sponge
"Nochoroicyathus sp." = Nochoroicyathus Zhuravleva 1951 archaeocyath sponge
"Aldanocyathus sp." = Nochoroicyathus Zhuravleva 1951 archaeocyath sponge
"Aldanocyathus amplus" = Nochoroicyathus archaeocyath sponge
Nochoroicyathus howelli Vologdin 1940 archaeocyath sponge
Nochoroicyathus diadromus n. sp. Osadchaya et al. 1979 archaeocyath sponge
 Ajacicyathida - Sajanocyathidae
Formosocyathus sp., Irinaecyathus sp., Irinaecyathus optimus
Formosocyathus sp. archaeocyath sponge
Irinaecyathus sp. archaeocyath sponge
Irinaecyathus optimus archaeocyath sponge
 Ajacicyathida -
? Nevadacyathus sp.
? Nevadacyathus sp. Okulitch 1943 archaeocyath sponge
 Ajacicyathida - Dokidocyathidae
Dokidocyathus sp.
Dokidocyathus sp. Taylor 1910 archaeocyath sponge