Western Torgashino Ridge, unit 5 (Cambrian of Russian Federation)

Also known as Reef 3783

Where: Krasnoyarskiy Kray, Russian Federation (56.0° N, 92.9° E: paleocoordinates 7.8° S, 7.5° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Torgashino Formation, Amgan (513.0 - 505.0 Ma)

• sample 36, 100 m thick

• 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 81437: authorized by Wolfgang Kiessling, entered by Uta Merkel on 23.06.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Ptychopariida - Proasaphiscidae
Proasaphiscus sp. Resser and Endo 1935 trilobite
 Ptychopariida - Ptychopariidae
Gaphuraspis sp. Ivshin 1957 trilobite
 Corynexochida - Dorypygidae
Kooteniella sp. Lermontova 1940 trilobite
  - Amgaspididae
Amgaspis sp. Juan and Zhao trilobite
 Olenida - Olenidae