Representative point of Nefedovskaya Formation (Ordovician to of Russian Federation)

Where: Yaroslavl oblast, Russian Federation (58.6° N, 39.5° E: paleocoordinates 39.6° S, 5.4° E)

• basin-level geographic resolution

When: Nefedovskaya Formation, Hunneberg to Hunneberg (481.1 - 464.3 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine; limestone and marl

• Interlayering of greenish and dark gray clayey limestones, marls and carbonate clays gradually changing into each other with a numerous and varied complex of organic remains

Size classes: macrofossils, mesofossils, microfossils

Primary reference: N.U. Karpuzova and M.N. Tokareva. 2014. Legend of the Central European series of sheets of the State Geological Map of the Russian Federation, scale 1:1,000,000 (third generation). [S. Peters/E. Mazko]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 235856: authorized by Shanan Peters, entered by Evgeny Mazko on 10.08.2024

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Productortis obtusa, Panderma tetragona
Trilobita
 Asaphida - Asaphidae
"Asaphus lepidurus" = Asaphus (Asaphus) lepidurus
"Asaphus lepidurus" = Asaphus (Asaphus) lepidurus Nieszkowski 1859 trilobite
Niesz.
 Phacopida - Cheiruridae
Cyrtometopus clavifrons
Cyrtometopus clavifrons Dalman 1827 trilobite
Bal.
Rhynchonellata
 Orthida - Paurorthidae
Paurorthis parva
Paurorthis parva Pander 1830
Pand.
 Orthida - Ranorthidae
Ranorthis carinata
Ranorthis carinata Rubel 1961
Rub.
Strophomenata
 Strophomenida - Plectambonitidae
Ingria nefedjevi
Ingria nefedjevi Eichwald 1855
Eicw.
Conodonta
 Prioniodontida - Balognathidae
Lenodus variabilis, Baltoniodus norrlandicus
Lenodus variabilis Sergeeva 1963 conodont
Sergeeva
Baltoniodus norrlandicus conodont
Lofgren
 Protopanderodontida - Drepanoistodontidae
Drepanoistodus basiovalis
Drepanoistodus basiovalis Sregeeva 1963 conodont
Sergeeva
 Protopanderodontida - Oneotodontidae
Semiacontiodus davidi, Semiacontiodus cornuformis
Semiacontiodus davidi conodont
Lofgren
Semiacontiodus cornuformis Sergeeva 1963 conodont
Sergeeva
Pterobranchia
 Graptoloidea - Sigmagraptidae
Eotetragraptus quadribrachiatus, Eotetragraptus harti