Jakšiai-104 borehole, Lower Geluva Fm. (Silurian of Lithuania)

Also known as Jaksai

Where: Lithuania (55.2° N, 23.7° E: paleocoordinates 20.7° S, 1.2° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Lower Geluva Formation, Wenlock (433.4 - 427.4 Ma)

Environment/lithology: marine; dolomitic shale

Size classes: macrofossils, mesofossils

Collection methods: core

Primary reference: P. Lapinskas, J. Paskevicius, and J. Jacyna. 1985. New data on the stratigraphy and correlation of the South - East Baltic Wenlockian and Ludlovian (Silurian). Geologija 629:29-40 [B. Kröger/B. Kröger]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 207384: authorized by Björn Kröger, entered by Björn Kröger on 09.01.2020

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Phacopida - Calymenidae
Calymene sp. Brongniart 1822 trilobite
Strophomenata
 Strophomenida - Rafinesquinidae
Leptaena sp. Dalman 1828
Rhynchonellata
 Athyridida - Anoplothecidae
Coelospira sp. Hall 1863
 Orthida - Dicoelosiidae
Dicoelosia biloba Linnaeus 1758
 Orthida - Dalmanellidae
Isorthis crassa Lindström 1861
Howellites sp. Bancroft 1945
 Atrypida - Glassiidae
 Atrypida - Atrypidae
Plectatrypa sp. Schuchert and Cooper 1930