Subriana-Vagranella Community, Early Ludlow, Severouralsk Region (Silurian of Russian Federation)

Also known as Reef 3734

Where: Russian Federation (60.0° N, 60.0° E: paleocoordinates 0.9° N, 9.1° E)

• coordinate based on political unit

• basin-level geographic resolution

When: Ludlow (427.4 - 423.0 Ma)

Environment/lithology: reef, buildup or bioherm; gray, yellow limestone

• "Typically occurs in reef belts with turbulent conditions, as well as below wave base (based on the ventral valves) reef slopes and on interreef level bottom areas (reef flat type areas)."
• "Commonly occurs in massive, organogenic, brecciated, light gray, or varicolored (yellow to pink and ruddy) limestone."

Collection methods: Based on type locality. Abundances given in table 41.4.

Primary reference: V. P. Sapelnikov, O. V. Bogoyavlenskaya, L. I. Mizens and V. P. Shuysky. 1999. Silurian and Early Devonian benthic communities of the Ural-Tien Shan region. In A. J. Boucot and J. D. Lawson (eds.), Paleocommunities--a case study from the Silurian and Lower Devonian 510-544 [M. Foote/M. Foote/M. Foote]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 24691: authorized by Michael Foote, entered by Michael Foote on 16.08.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

 Phacopida - Cheiruridae
Youngia uralica trilobite
 Palaeocopida -
 Orthotetida - Pulsiidae
 Strophomenida - Strophodontidae
"? Strophodonta sp." = Strophomena (Strophodonta)
"? Strophodonta sp." = Strophomena (Strophodonta) Hall 1852
 Athyridida - Meristellidae
 Spiriferida - Cyrtiidae
Eospirifer sp. Schuchert 1913
 Pentamerida - Parastrophinidae
 Pentamerida - Gypidulidae
 Pentamerida - Clorindidae
 Pentamerida - Subrianidae
 Pentamerida - Pentameridae
 Atrypida - Karpinskiidae
 Atrypida - Atrypidae
 Atrypida -
Atrypoidea linguata von Buch 1834
 Atrypida - Lissatrypidae
 Atrypida - Punctatrypidae
 Trimerellida - Trimerellidae
Trimerella sp. Billings 1862
"Pelecypoda indet." = Bivalvia
"Pelecypoda indet." = Bivalvia Linnaeus 1758 clam
Gastropoda indet. Cuvier 1797 snail