Ludza 15 borehole, Viluciai Fm., 590 - 600 m (Ordovician of Latvia)

Where: Latvia (56.5° N, 27.7° E: paleocoordinates 35.3° S, 1.1° E)

• coordinate estimated from map

When: Viluciai Formation, Keila (453.9 - 453.0 Ma)

Environment/lithology: marine; marl and argillaceous 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 207211: authorized by Björn Kröger, entered by Björn Kröger on 01.01.2020

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Rhynchonellata
 Orthida - Harknessellidae
Horderleyella kegelensis
 Orthida - Dalmanellidae
Onniella sp., Onniella cf. longa
Onniella sp. Bancroft 1928
Onniella cf. longa Hints 1975
 Orthida - Platystrophiidae
"Platystrophia lynx" = Neoplatystrophia lynx, Platystrophia crassoplicata
"Platystrophia lynx" = Neoplatystrophia lynx Eichwald 1830
Platystrophia lynx lynx, Platystrophia lynx attenuata
 Orthida - Productorthidae
Nicolella sp.
Nicolella sp. Reed 1917
 Orthida - Hesperorthidae
Hesperorthis aff. rae
Hesperorthis aff. rae Oraspold 1956
 Orthida - Orthidae
Boreadorthis sp.
Boreadorthis sp. Opik 1934
Strophomenata
 Strophomenida - Leptestiidae
Sampo sp.
Sampo sp. Opik 1933
 Strophomenida - Sowerbyellidae
Sowerbyella sp., Sowerbyella oepiki, Sowerbyella cf. forumi
Sowerbyella sp. Jones 1928
Sowerbyella oepiki Rõõmusoks 1959
Sowerbyella cf. forumi Rõõmusoks 1959
 Strophomenida - Strophomenidae
"Strophomena asmusi" = Longvillia asmusi
"Strophomena asmusi" = Longvillia asmusi Verneuil 1845
 Strophomenida - Rafinesquinidae
"Rafinesquina cf. poljensis" = Kjaerina poljiensis, "Leptaena rugosoides" = Leptaena (Leptaena) rugosoides
"Rafinesquina cf. poljensis" = Kjaerina poljiensis Alichova 1951
"Leptaena rugosoides" = Leptaena (Leptaena) rugosoides Oraspold 1956
 Billingsellida - Clitambonitidae
Vellamo sp.
Vellamo sp. Opik 1930