Aldan River, Ulakhan-Sulugur section, peribiohermal facies (Cambrian of Russian Federation)

Also known as Reef 95

Where: Yakutiya, Russian Federation (58.5° N, 129.5° E)

• Paleocoordinates: 6.3° N, 75.5° W (Wright 2013)

• coordinate estimated from map

• small collection-level geographic resolution

When: Pestrotsvet Formation, Tommotian (525.5 - 521.0 Ma)

• bed 12, Sunnaginicus zone

• bed-level stratigraphic resolution

Environment/lithology: perireef or subreef; lithified wackestone and lithified packstone

• wackestones and packstones near the margin and outside the bioherm, grainstones underlie the bioherm

Size class: macrofossils

Collection methods: peel or thin section,

Primary reference: R. Riding and A. Y. Zhuravlev. 1995. Structure and diversity of oldest sponge-microbe reefs: Lower Cambrian, Aldan River, Siberia. Geology 23(7):649-652 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 80867: authorized by Wolfgang Kiessling, entered by Uta Merkel on 19.05.2008

Creative Commons license: CC0 (CC0)

Taxonomic list

Show authors, comments, and common names
Archaeocyatha
 Capsulocyathida - Cryptoporocyathidae
Cryptoporocyathus junicanensis
Cryptoporocyathus junicanensis archaeocyath sponge
 Ajacicyathida - Ajacicyathidae
Nochoroicyathus sp.
Nochoroicyathus sp. Zhuravleva 1951 archaeocyath sponge
three species