Berzini borehole, C III zone, 486.0 - 470.0 m (Ordovician of Latvia)

Where: Daugavpils, Latvia (56.6° N, 22.4° E: paleocoordinates 35.8° S, 2.4° W)

• coordinate based on nearby landmark

When: Idavere (458.0 - 453.0 Ma)

• " C III zone"

Environment/lithology: deep subtidal; marl and argillaceous limestone

• marly limestone

Size classes: macrofossils, mesofossils

Collection methods: core

Primary reference: L. Polma, L. Sarv, and L. Hints. 1977. The Subdivision of the Ordovician in the Berzini boring (South-East Latvia). Eesti NSV Teaduste Akadeemia Toimetised (2)113-121 [B. Kröger/B. Kröger]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 192983: authorized by Björn Kröger, entered by Björn Kröger on 30.04.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Severella severa, Bolbihithis altonodus
Crinoidea
 Myelodactylida - Iocrinidae
Ristnacrinus angulatus, Ristnacrinus marinus
Ristnacrinus marinus Opik 1934 Sea lily
 Rhombifera - Echinosphaeritidae
Echinosphaerites sp.
Echinosphaerites sp. Wahlenberg 1818
Strophomenata
 Strophomenida - Sowerbyellidae
Sowerbyella sp.
Sowerbyella sp. Jones 1928
 Strophomenida - Leptestiidae
Bilobia aff. musca
Bilobia aff. musca Öpik 1930
Rhynchonellata
 Pentamerida - Porambonitidae
Porambonites sp.
Porambonites sp. Pander 1830
 Orthida - Saukrodictyidae
Saukrodictya sp.
Saukrodictya sp. Wright 1964
 Orthida - Archaeorthidae
Cyrtonotella sp.
Cyrtonotella sp. Schuchert and Cooper 1931
 Orthida - Cremnorthidae
Cremnorthis sp.
Cremnorthis sp. Williams 1963
Ostracoda
 Hollinocopida - Tvaerenellidae
Uhakiella granulifera
 Hollinocopida - Tetradellidae
Polyceratella aluverensis, Polyceratella bicornis, "Tallinnopsis perplana" = Ahla, Sigmobolbina prominesca
"Tallinnopsis perplana" = Ahla ostracod
 Hollinocopida - Bolbinidae
Brevibolbina amabilis
 Beyrichicopida - Bolliidae
Klimphores digitatus, Bichilina prima
Bichilina prima ostracod
 Beyrichicopida - Circulinidae
Pedomphalella egregia, Pyxion nitidum
Pyxion nitidum ostracod
 Beyrichicopida - Ctenonotellidae
"Neotsitrella bisulcata" = Tetrada (Neotsitrella)
"Neotsitrella bisulcata" = Tetrada (Neotsitrella) ostracod
  - Sigmoopsidae
Sigmoopsis rostrata, Sigmoopsis sp., Sigmoopsis cornuta
Sigmoopsis sp. ostracod
 Podocopida - Steusloffinidae
Steusloffina radiculosa
 Podocopida - Krausellidae
Trianguloschmidtella triangulata
Trilobita
 Phacopida - Pterygometopidae
Estoniops bekkeri
Estoniops bekkeri Mannil 1958 trilobite