Volginskii Fm., Kulumbe River Valley (Ordovician of Russian Federation)

Where: Siberia, Russian Federation (68.0° N, 88.0° E: paleocoordinates 2.3° S, 16.0° E)

• local area-level geographic resolution

When: Angir Formation, Early/Lower Llandeilo (466.0 - 460.9 Ma)

• PJW: Volginskii here is Angir formations

• formation-level stratigraphic resolution

Environment/lithology: deep subtidal shelf; lithified, argillaceous, sandy limestone

• limestone with increasing argillaceous and sandy material at top

Size class: macrofossils

Collection methods: JA: marked by Novack-Gottshall without explanation as omitting some genera, some macrofossils, some microfossils, and species names, but apparently complete

Primary reference: B. S. Sokolov. 1982. Ordovician of the siberian Platform: Key section on the Kulumbe River. Academy of Sciences of the USSR, Siberian Branch, Transactions 506:1-239 [A. Miller/P. Novack-Gottshall]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 9295: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 12.10.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Anthozoa
 Sarcinulida - Billingsariidae
Billingsaria lepida tabulate coral
Cyclocystoidea
  - Cyclocystoididae
? Cyclocystoides sp. Salter and Billings 1858
Crinoidea
 Angulata - Babanicrinidae
Babanicrinus sp. Stukalina 1969 Sea lily
Conodonta
 Protopanderodontida - Drepanoistodontidae
Drepanoistodus suberectus Branson and Mehl 1933 conodont
 Ozarkodinida -
Periodon sp. Hadding 1913 conodont
 Prioniodontida -
? Histiodella sp., "Microcoelodus sp." = Erismodus, "Ptiloconus sp." = Erismodus, "Trichonodella prominens" = Erismodus quadridactylus, Phragmodus flexuosus
"Microcoelodus sp." = Erismodus conodont
"Ptiloconus sp." = Erismodus conodont
"Trichonodella prominens" = Erismodus quadridactylus Stauffer 1935 conodont
Phragmodus flexuosus Moskalenko 1973 conodont
 Belodellida - Belodellidae
? Belodella sp. Ethington 1959 conodont
Ostracoda
 Leperditicopida - Leperditiidae
Eoleperditia sp. Swartz 1949 ostracod
 Palaeocopida - Schmidtellidae
Schmidtella sp. Ulrich 1892 ostracod
 Palaeocopida - Primitiidae
 Palaeocopida - Soanellidae
Soanella sp. Kanygin 1967 ostracod
 Palaeocopida - Egorovellidae
 Palaeocopida - Euprimitiidae
 Palaeocopida - Eurychilinidae
Laccochilina sp. Hessland 1949 ostracod
Stenolaemata
 Cryptostomata - Rhinidictyidae
Pachydictya sp. Ulrich 1882
 Trepostomata - Halloporidae
 Trepostomata - Heterotrypidae
 Trepostomata - Trematoporidae
Batostoma sp. Ulrich 1882
 Cystoporata - Ceramoporidae
Ceramoporella granulosa Ulrich 1890
Ceramoporella graпulosa minor
Spatiopora sp. Ulrich 1882
 Trepostomida - Monticuliporidae
Rhynchonellata
 Orthida - Plaesiomyidae
 Orthida - Hesperorthidae
Hesperorthis sp. Schuchert and Cooper 1931
Strophomenata
 Billingsellida - Clitambonitidae
 Strophomenida - Rafinesquinidae
 Strophomenida - Glyptomenidae
Platymena amara Andreeva 1955
 Strophomenida - Furcitellidae
 Orthotetida - Triplesiidae
Triplesia sp. Hall 1859
Lingulata
 Lingulida - Obolidae