Orasoja Section. Sample 12 (Ordovician of Estonia)

Where: Estonia (59.4° N, 28.0° E: paleocoordinates 43.6° S, 7.1° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Cordylodus lindstromi conodont zone, Orasoja Member (Kallavere Formation), Pakerort (485.4 - 484.5 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; sandy siltstone and lithified, black shale

• alternation of siltstone (or/and sandstone) and black shale

Size class: mesofossils

Primary reference: H. Heinsalu, D. Kaljo, T. Kurvits and V. Viira. 2003. The stratotype of the Orasoja Member (Tremadocian, Northeast Estonia): lithology, mineralogy, and biostratigraphy. Proceedings of the Estonian Academy of Sciences Geology 52(3):135-154 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 204476: authorized by Pete Wagner, entered by Pete Wagner on 09.09.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

Pterobranchia
 Graptoloidea - Anisograptidae
Rhabdinopora flabelliformis Eichwald 1840 graptolite
Rhabdinopora flabelliformis
"Rhabdinopora cf. socialis" = Rhabdinopora flabelliformis socialis Salter 1858 graptolite
Rhabdinopora flabelliformis cf. socialis
Conodonta
 Proconodontida - Cordylodontidae
Cordylodus "n. sp. B Nicoll" Pander 1856 conodont
Cordylodus lindstromi Druce and Jones 1971 conodont
Iapetognathus aengensis Lindström 1955 conodont