Kohtla-Järve quarry, Viivikonna Fm., Kiviõla Member (Ordovician of Estonia)

Where: Estonia (59.4° N, 27.2° E: paleocoordinates 31.2° S, 0.1° E)

• coordinate estimated from map

When: Nematograptus gracilis graptolite zone, Kiviõla Member (Viivikonna Formation), Kukruse (460.9 - 449.5 Ma)

• The shale in this region should be the Kiviõla member of the Viivikonna formation. The oil shales come from the lower 5 meters of the formation (Saadre 2004).

• member-level stratigraphic resolution

Environment/lithology: marine; shale

Size classes: macrofossils, mesofossils

Primary reference: V. Jaanusson and M. G. Bassett. 1993. Orthambonites and related Ordovician brachiopod genera. Palaeontology 36(1):21-63 [B. Kröger/B. Kröger]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 160501: authorized by Björn Kröger, entered by Björn Kröger on 23.08.2014, edited by Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Odontopleurida - Odontopleuridae
Apianurus kuckersianus1 Schmidt 1885 trilobite
 Aulacopleurida - Brachymetopidae
Panarchaeogonus parvus5 Opik 1937 trilobite
Strophomenata
 Billingsellida - Gonambonitidae
Estlandia marginata4 Pahlen 1877
Estlandia marginata aspera
 Billingsellida - Clitambonitidae
 Strophomenida - Strophomenidae
Actinomena orta6 Öpik 1930
"Septomena juvenilis" = Leptaena (Septomena) juvenilis6 Öpik 1930
Rhynchonellata
 Orthida - Dalmanellidae
Paucicrura navis2 Opik 1930
 Orthida - Productorthidae
 Orthida - Platystrophiidae
Platystrophia baltica7 Zuykov and Harper 2007
Gastropoda
 Bellerophontida - Bucaniidae
Bucania czekanowskii3 Schmidt 1858 snail