Berzini borehole, D III zone, 457.3 - 453.7 m (Ordovician of Latvia)

Where: Daugavpils, Latvia (56.6° N, 22.4° E: paleocoordinates 34.5° S, 1.9° W)

• coordinate based on nearby landmark

When: Oandu (453.0 - 451.8 Ma)

• " D III zone"

Environment/lithology: deep subtidal; marl and argillaceous lime mudstone

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 192986: authorized by Björn Kröger, entered by Björn Kröger on 30.04.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

Rhynchonellata
 Orthida - Dalmanellidae
Strophomenata
 Strophomenida - Rafinesquinidae
"Rafinesquina ex gr. orvikui" = Hedstroemina orvikui
"Rafinesquina ex gr. orvikui" = Hedstroemina orvikui Oraspold 1956
 Strophomenida - Sowerbyellidae
Sowerbyella sp. Jones 1928
Ostracoda
 Palaeocopida - Bolbinidae
Trilobita
 Lichida - Lichidae
"Conolichas eichwaldi" = Otarozoum eichwaldi Niezskowski 1857 trilobite
Hemiarges wesenbergensis Schmidt 1885 trilobite
 Phacopida - Pterygometopidae
Chasmops sp. M'Coy 1849 trilobite
Chasmops wesenbergensis Schmidt 1881 trilobite
 Phacopida - Encrinuridae