Druksiai-5 borehole (Ordovician of Lithuania)

Where: Lithuania (55.6° N, 26.5° E: paleocoordinates 34.4° S, 1.1° E)

• coordinate based on nearby landmark

When: Jakšiai Formation, Rakvere (451.8 - 450.5 Ma)

• PJW: Rakvere aged strata here is Jakšiai formation.

• formation-level stratigraphic resolution

Environment/lithology: limestone

Size classes: macrofossils, mesofossils

Primary reference: J. Laskovas, V. Marcinkevicius, and J. Paskevicius. 1993. The Stratigraphy and Structure of Ordovician Rocks of the South - East Part of the Baltic Basin (Druksiu Area). Geologija, Detailed Stratigraphy (14)81-98 [B. Kröger/B. Kröger/B. Kröger]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 195473: authorized by Björn Kröger, entered by Björn Kröger on 10.08.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Phacopida - Pterygometopidae
Chasmops cf. wesenbergensis Schmidt 1881 trilobite
Rhynchonellata
 Orthida - Platystrophiidae
"Platystrophia ovalis" = Neoplatystrophia ovalis Alikhova 1951
 Orthida - Dalmanellidae
Strophomenata
 Strophomenida - Rafinesquinidae
"Rafinesquina inaequiclina" = Rakverina inaequiclina, "Rafinesquina orvikui" = Hedstroemina orvikui, Leptaena wesenbergensis
"Rafinesquina inaequiclina" = Rakverina inaequiclina Alichova 1951
[Rafinesquina inaequclina]
"Rafinesquina orvikui" = Hedstroemina orvikui Oraspold 1956