Ludza 15 borehole, Krastai Fm, 650.0 - 666.5 m (Ordovician of Latvia)

Where: Latvia (56.5° N, 27.7° E: paleocoordinates 37.9° S, 0.1° E)

• coordinate estimated from map

When: Krastai Formation, Uhaku (459.7 - 458.0 Ma)

Environment/lithology: marine; limestone

Size classes: macrofossils, mesofossils

Collection methods: core

Primary reference: J. Paskevicius. 1997. The geology of the Baltic Republics. 1-381 [B. Kröger/B. Kröger/B. Kröger]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 207201: authorized by Björn Kröger, entered by Björn Kröger on 01.01.2020

Creative Commons license: CC BY (attribution)

Taxonomic list

 Rhombifera - Echinosphaeritidae
Echinosphaerites sp. Wahlenberg 1818
Trilobita
 Asaphida - Asaphidae
Strophomenata
 Strophomenida - Leptestiidae
Leptestia sp. Bekker 1922
 Strophomenida - Sowerbyellidae
Sowerbyella sp. Jones 1928
Rhynchonellata
 Orthida - Platystrophiidae
 Orthida - Productorthidae