Lower Petropavlovsk Suite, Kolonga and Vagran River Valleys (Silurian of Russian Federation)

Where: Russian Federation (60.2° N, 60.0° E)

• Paleocoordinates: 24.5° N, 37.3° W (Wright 2013)

• coordinate based on nearby landmark

When: Petropavlovsk Suite Formation, Pridoli (423.0 - 419.2 Ma)

Environment/lithology: marine; gray limestone

• "LIght grey mottled, massive, vesicular, partly algal limestones."

Primary reference: A. N. Khodalevich and O. V. Bogoyavlenskaya. 1977. Northern Urals. In A. Martinsson (ed.), The Silurian-Devonian boundary (IUGS, Series A, Number 5) 211-218 [M. Foote/M. Foote/P. Wagner]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 13958: authorized by Michael Foote, entered by Michael Foote on 06.05.2002

Creative Commons license: CC0 (CC0)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Osterina delicata, Trematodus cyclocostatus, Semistracirsa altera
Anthozoa
 Favositida - Cleistoporidae
Riphaeolites priscus
Riphaeolites priscus tabulate coral
 Favositida - Favositidae
Favosites finitimus, Favosites bonus
Favosites finitimus tabulate coral
Favosites bonus tabulate coral
 Stauriida - Mucophyllidae
Pseudamplexus fascicularis
 Stauriida - Kodonophyllidae
Circophyllum samsugensis
 Cystiphyllida - Cystiphyllidae
"Hedstroemophyllum subtenius" = Cystiphyllum (Hedstroemophyllum)
"Hedstroemophyllum subtenius" = Cystiphyllum (Hedstroemophyllum) horn coral
Stromatoporoidea
 Amphiporida - Amphiporidae
Stellopora grandessa
Stellopora grandessa stromatoporoid sponge
 Clathrodictyida - Actinodictyidae
Plexodictyon latilaminatum, Ecclimadictyon quasifastigiatum
Plexodictyon latilaminatum stromatoporoid sponge
Ecclimadictyon quasifastigiatum stromatoporoid sponge
 Clathrodictyida - Gerronostromatidae
Gerronostroma concentricum
Gerronostroma concentricum stromatoporoid sponge
Gastropoda
 Murchisoniina - Porcelliidae
"Oehlertia senilis" = Quadricarina senilis
"Oehlertia senilis" = Quadricarina senilis Perner 1907 snail
[entered as Oehlertia sinilis]
 Bellerophontida - Tropidodiscidae
Tropidodiscus curvilineatus
Tropidodiscus curvilineatus Conrad 1842 snail
Rhynchonellata
 Spiriferida - Reticulariidae
"Proreticularia pentameriformis" = Alaskospira
"Proreticularia pentameriformis" = Alaskospira
 Atrypida - Lissatrypidae
Tectatrypa tectiformis
 Atrypida - Septatrypidae
"Atrypella uralica" = Atrypoidea, "Atrypella gigas" = Atrypoidea, "? Atrypella kuschvensis" = Atrypoidea, "Atrypella camelina" = Atrypoidea, "Atrypopsis megaera" = Septatrypa
"Atrypella uralica" = Atrypoidea
"Atrypella gigas" = Atrypoidea
"? Atrypella kuschvensis" = Atrypoidea
"Atrypella camelina" = Atrypoidea
"Atrypopsis megaera" = Septatrypa
Crinoidea
 Cyathocrinida - Crotalocrinitidae
Syndetocrinus uralicus