Shivelig-Khem River, unit 5 (Cambrian of Russian Federation)

Where: Tuva, Russian Federation (51.4° N, 94.2° E: paleocoordinates 6.1° S, 5.8° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Lower Shangan Formation, Atdabanian (521.0 - 516.0 Ma)

• 83 m thick, Kameshki stage

• group of beds-level stratigraphic resolution

Environment/lithology: perireef or subreef; lithified limestone

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 81465: authorized by Wolfgang Kiessling, entered by Uta Merkel on 25.06.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Artiopoda
 Agnostida - Hebediscidae
"Hebediscus pokrovskayae" = Dipharus
"Hebediscus pokrovskayae" = Dipharus
Trilobita
 Redlichiida - Redlichinidae
 Redlichiida - Ellipsocephalidae
 Corynexochida - Dolichometopidae
Archaeocyatha
 Ajacicyathida - Bronchocyathidae
Compositocyathus vladimirskii archaeocyath sponge
 Ajacicyathida - Ajacicyathidae
Sibirecyathus cf. vernalis archaeocyath sponge
 Ajacicyathida - Ethmocyathidae
Baikalocyathus rossicus archaeocyath sponge
 Monocyathida - Monocyathidae
"Rhabdocyathella sp." = Archaeolynthus
"Rhabdocyathella sp." = Archaeolynthus Taylor 1910 archaeocyath sponge
 Archaeocyathida - Archaeopharetridae
Protopharetra bipartita archaeocyath sponge
 Archaeocyathida - Dictyocyathidae
Dictyocyathus yavorskii archaeocyath sponge