Western Torgashino Ridge, unit 1 (Cambrian of Russian Federation)

Also known as Reef 3781

Where: Krasnoyarskiy Kray, Russian Federation (56.0° N, 92.9° E: paleocoordinates 9.6° S, 5.3° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Torgashino Formation, Botomian (516.0 - 512.9 Ma)

• sample 42,43, 120 m thick, Sanashtykgol stage

• group of beds-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; 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 81433: authorized by Wolfgang Kiessling, entered by Uta Merkel on 23.06.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Artiopoda
 Agnostida - Hebediscidae
"Hebediscus lermontovae" = Dipharus
"Hebediscus lermontovae" = Dipharus
Trilobita
 Corynexochida - Dinesidae
Proerbia sp. Lermontova 1940 trilobite
 Redlichiida - Redlichinidae
Redlichina sp. Lermotova 1940 trilobite
Archaeocyatha
 Putapacyathida - Alphacyathidae
Aptocyathus gordoni archaeocyath sponge
 Archaeocyathida - Loculicyathidae
Loculicyathus membranivestites archaeocyath sponge
 Monocyathida - Tumuliolynthidae
Tumuliolynthus tubexternus archaeocyath sponge
 Ajacicyathida - Ajacicyathidae
Sibirecyathus sp. Vologdin 1937 archaeocyath sponge
 Ajacicyathida - Sajanocyathidae
 Ajacicyathida - Tercyathidae
Tercyathus sp. archaeocyath sponge
 Ajacicyathida - Tumulocyathidae
"Tumulocyathellus admirabilis" = Plicocyathus
"Tumulocyathellus admirabilis" = Plicocyathus archaeocyath sponge
 Ajacicyathida - Erbocyathidae
Ladaecyathus sp. archaeocyath sponge