Representative point of Khrevitskaya Formation (Ordovician of Russian Federation)

Where: Novgorod Oblast, Russian Federation (58.4° N, 32.8° E: paleocoordinates 31.2° S, 3.7° E)

• basin-level geographic resolution

When: Khrevitskaya Formation, Haljala (456.8 - 453.9 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine; limestone and dolomite

• Fine-crystalline clayey limestones and dolomites with a lumpy texture from lens-shaped layers of clayey 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 235891: authorized by Shanan Peters, entered by Evgeny Mazko on 15.08.2024

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Ostracoda
 Palaeocopida - Bolliidae
Klimphores digitatus, Bichilina prima
Klimphores digitatus ostracod
Neck.
Bichilina prima ostracod
Sarv
 Palaeocopida - Sigmoopsidae
Sigmoopsis rostrata
Sigmoopsis rostrata ostracod
Krause
 Palaeocopida - Tetradellidae
"Tallinnopsis iewica" = Ahla
"Tallinnopsis iewica" = Ahla ostracod
Neck.
Trilobita
 Asaphida - Asaphidae
"Asaphus (Neoasapfius) praetextus" = Ogmasaphus praetextus
"Asaphus (Neoasapfius) praetextus" = Ogmasaphus praetextus Törnquist 1884 trilobite
Tornq.
Rhynchonellata
 Pentamerida - Porambonitidae
Porambonites schmidti
Porambonites schmidti Noetling 1883
Noetl.
Strophomenata
 Billingsellida - Clitambonitidae
Clinambon anomalus
Clinambon anomalus Schlotheim 1822
Schlot.
 Billingsellida - Gonambonitidae
Estlandia pyron
Estlandia pyron Eichwald 1840
silicificata Op.
 Strophomenida - Sowerbyellidae
Sowerbyella trivia
Sowerbyella trivia Rõõmusoks 1959
Room.