Well 1 (Valdayskaya) (Ordovician to of Russian Federation)

Also known as Berezai Formation Stratotype

Where: Novgorod oblast, Russian Federation (58.0° N, 33.2° E: paleocoordinates 33.0° S, 4.0° E)

• coordinate stated in text

• local area-level geographic resolution

When: Berezai Formation, Uhaku to Uhaku (459.7 - 456.8 Ma)

Environment/lithology: marine; marl and limestone

• Interlayering of gray and greenish-gray, due to interlayers and interlayers of marls, limestones, clayey and dolomitized to varying degrees, and greenish-gray marls

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 235812: authorized by Shanan Peters, entered by Evgeny Mazko on 06.08.2024

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Pterobranchia
 Graptoloidea - Climacograptidae
Pseudoclimacograptus ex gr. scharenbergi Lapworth 1976 climacograptid
 Graptoloidea - Diplograptidae
Diplograptus sp. graptolite
 Rhombifera - Echinosphaeritidae
Cephalopoda
 Orthocerida - Orthoceratidae
Rhynchonellata
 Orthida - Archaeorthidae
Strophomenata
 Billingsellida - Clitambonitidae
 Strophomenida - Furcitellidae
"Oepikina dorsata" = Bekkerina dorsata
"Oepikina dorsata" = Bekkerina dorsata Bekker 1921
 Strophomenida - Leptestiidae
Leptestia musculosa Bekker 1922
 Strophomenida - Leptellinidae
 Orthotetida - Triplesiidae