Geluva-114 borehole, Riga Fm., 980.0 - 983.4 m (Silurian of Lithuania)

Where: Lithuania (55.2° N, 23.5° E: paleocoordinates 20.1° S, 1.2° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: N. testis graptolite zone, Riga Formation, Homerian (430.5 - 427.4 Ma)

Environment/lithology: marine; dolomitic marl and 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 207378: authorized by Björn Kröger, entered by Björn Kröger on 09.01.2020

Creative Commons license: CC BY (attribution)

Taxonomic list

Pterobranchia
 Graptoloidea - Monograptidae
Rhynchonellata
 Orthida - Rhipidomellidae
Dalejina hybrida Sowerby 1839
 Atrypida - Glassiidae
 Protorthida - Skenidiidae
Skenidioides lewisii Davidson 1848
Cephalopoda
 Orthocerida - Dawsonoceratidae