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Volkhov - Zheltjaki, Leningrad Oblast, Russia

FormationVolkhov
MemberZheltjaki
Age:470 - 467 Ma
Middle Ordovician
IntervalVolkhov
Lithologyclaystone, "limestone"/claystone
Number of Collections9
Number of Occurrences95

Recorded Sample Locations

LocationRegionStratigraphic Name
Mud mound at Putilovo QuarryLeningrad Oblast, RussiaVolkhov - Zheltjaki
Lava RiverLeningrad Oblast, RussiaVolkhov - Zheltjaki

Associated Units

Stratigraphic NameAgeLithologyOccurrence Records
Leetse - Lakity485 - 472 Ma
Early/Lower Ordovician
sandstone, claystone, sandstone/claystone185
Leetse - Mäeküla479 - 472 Ma
Early/Lower Ordovician
claystone/sandstone, sandstone, "limestone", "limestone"/sandstone, claystone, sandstone/claystone, sandstone/"limestone"157
Nazya485 - 485 Ma
Paleozoic
sandstone3
Obukhovo466 - 464 Ma
Middle Ordovician
limestone, wackestone, "limestone"/claystone, wackestone/packstone, "carbonate"102
Sillaoru - Lopukhinka468 - 464 Ma
Middle Ordovician
claystone/"limestone"33
Sillaoru - Nikolskoe468 - 464 Ma
Middle Ordovician
claystone/"limestone"83
Volkhov - Dikari468 - 464 Ma
Middle Ordovician
claystone, "limestone"/claystone, "limestone"57
Volkhov - Zheltiaki472 - 468 Ma
Ordovician
limestone1
Volkhov Stage - Dikari478 - 470 Ma
Early/Lower Ordovician
claystone128
Volkhov Stage - Zheltjaki472 - 468 Ma
Ordovician
claystone18

Recorded Fossils

Accepted NameHierarchyAge
Brachiopoda
phylum
2Animalia : Brachiopoda471.8 - 468.1 Ma
Ordovician
Nothorthis penetrabilis
species
7Animalia : Brachiopoda : Rhynchonellata : Orthida : Archaeorthidae : Nothorthis : Nothorthis penetrabilis471.8 - 468.1 Ma
Ordovician
Leoniorthis robusta
species
7Animalia : Brachiopoda : Rhynchonellata : Orthida : Orthidae : Leoniorthis : Leoniorthis robusta470 - 467.3 Ma
Middle Ordovician
Paurorthis parva
species
7Animalia : Brachiopoda : Rhynchonellata : Orthida : Paurorthidae : Paurorthis : Paurorthis parva471.8 - 468.1 Ma
Ordovician
Productorthis aculeata
species
7Animalia : Brachiopoda : Rhynchonellata : Orthida : Productorthidae : Productorthis : Productorthis aculeata471.8 - 468.1 Ma
Ordovician
Ranorthis sp.
genus
6Animalia : Brachiopoda : Rhynchonellata : Orthida : Ranorthidae : Ranorthis471.8 - 468.1 Ma
Ordovician
Apomatella ingrica
species
7Animalia : Brachiopoda : Strophomenata : Billingsellida : Clitambonitidae : Apomatella : Apomatella ingrica471.8 - 468.1 Ma
Ordovician
Neumania costata
species
7Animalia : Brachiopoda : Strophomenata : Billingsellida : Clitambonitidae : Palaeoneumania : Neumania costata471.8 - 468.1 Ma
Ordovician
Palaeoneumania sp.
genus
6Animalia : Brachiopoda : Strophomenata : Billingsellida : Clitambonitidae : Palaeoneumania471.8 - 468.1 Ma
Ordovician
Palaeoneumania paucicostata
species
7Animalia : Brachiopoda : Strophomenata : Billingsellida : Clitambonitidae : Palaeoneumania : Palaeoneumania paucicostata470 - 467.3 Ma
Middle Ordovician
Antigonambonites sp.
genus
6Animalia : Brachiopoda : Strophomenata : Billingsellida : Gonambonitidae : Antigonambonites471.8 - 468.1 Ma
Ordovician
Antigonambonites planus
species
7Animalia : Brachiopoda : Strophomenata : Billingsellida : Polytoechiidae : Antigonambonites : Antigonambonites planus471.8 - 468.1 Ma
Ordovician
Ingria sp.
genus
6Animalia : Brachiopoda : Strophomenata : Strophomenida : Plectambonitidae : Ingria471.8 - 468.1 Ma
Ordovician
Ingria nefedjevi
species
7Animalia : Brachiopoda : Strophomenata : Strophomenida : Plectambonitidae : Ingria : Ingria nefedjevi471.8 - 468.1 Ma
Ordovician
Anechophragma rarum
species
7Animalia : Brachiopoda : Strophomenata : Strophomenida : Sowerbyellidae : Anechophragma : Anechophragma rarum471.8 - 468.1 Ma
Ordovician
Paroistodus sp.
genus
6Animalia : Chordata : Paroistodus471.8 - 468.1 Ma
Ordovician
Protopanderodus sp.
genus
6Animalia : Chordata : Protopanderodus471.8 - 468.1 Ma
Ordovician
Semiacontiodus sp.
genus
6Animalia : Chordata : Conodonta : Euconodonta : Semiacontiodus471.8 - 468.1 Ma
Ordovician
Baltoniodus sp.
genus
6Animalia : Chordata : Conodonta : Balognathidae : Baltoniodus471.8 - 468.1 Ma
Ordovician
Trapezognathus quadrangulum
species
7Animalia : Chordata : Conodonta : Balognathidae : Trapezognathus : Trapezognathus quadrangulum471.8 - 468.1 Ma
Ordovician
Triangulodus sp.
genus
6Animalia : Chordata : Conodonta : Triangulodus471.8 - 468.1 Ma
Ordovician
Cornuodus longibasis
species
7Animalia : Chordata : Conodonta : Strachanognathidae : Cornuodus : Cornuodus longibasis471.8 - 468.1 Ma
Ordovician
Decoriconus sp.
genus
6Animalia : Chordata : Strachanognathidae : Decoriconus471.8 - 468.1 Ma
Ordovician
Scalpellodus sp.
genus
6Animalia : Chordata : Strachanognathidae : Scalpellodus471.8 - 468.1 Ma
Ordovician
Scolopodus striatus
species
7Animalia : Chordata : Conodonta : Strachanognathidae : Scolopodus : Scolopodus striatus471.8 - 468.1 Ma
Ordovician
Microzarkodina sp.
genus
6Animalia : Chordata : Conodonta : Ozarkodinida : Microzarkodina471.8 - 468.1 Ma
Ordovician
Periodon sp.
genus
6Animalia : Chordata : Conodonta : Ozarkodinida : Periodon471.8 - 468.1 Ma
Ordovician
Drepanoistodus sp.
genus
6Animalia : Chordata : Drepanoistodus471.8 - 468.1 Ma
Ordovician

References

Tolmacheva T., Fedorov P., et al (2003) Conodonts and brachiopods from the Volkhov Stage (Lower Ordovician) microbial mud mound at Putilovo Quarry, north-western Russia, Bulletin of the Geological Society of Denmark 50 1, 63-74
Egerquist E. (2003) New brachiopods from the Lower-Middle Ordovician (Billingen-Volkhov stages) of the East Baltic, Acta Palaeontologica Polonica 48 1, 31-38
Madison A. A. (2013) New Brachiopod Subfamily Anechophragmiinae (Strophomenida) from the Ordovician of the Leningrad Region, Paleontological Journal 47 1, 23-35 doi:10.1134/S0031030113010061
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!
 
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