Outcrop 2, sample M22 (Devonian of Russian Federation)

Where: Russian Federation (53.1° N, 57.4° E: paleocoordinates 0.5° N, 16.3° E)

• coordinate estimated from map

When: omoalpha-eoelean. conodont zone, Lochkovian (419.2 - 410.8 Ma)

• Sherlubai Horizon

Environment/lithology: lithified, gray limestone

• The basal interval (2 m thick) is characterized by dark grey medium to thin-layered marlstones inter-bedded with clayey shales. The thickness of these siltstone beds varies from 1 to 15–20 cm. Intercalated limestone beds contain abundant tentaculites, fish remains and conodonts.

Size class: microfossils

Primary reference: T. Mavrinskaya and L. Slavik. 2013. Correlation of Early Devonian (Lochkovian-early Pragian) conodont faunas of the South Urals (Russia). Bulletin of Geosciences 88(2):283-296 [E. Jarochowska/S. Haegele]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 190152: authorized by Emilia Jarochowska, entered by Sarah Haegele on 01.12.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Conodonta
 Ozarkodinida - Spathognathodontidae
Zieglerodina cf. remscheidensis conodont
Subspecies"Zieglerodina cf. remscheidensis remscheidensis",Subspecies"Zieglerodina cf. remscheidensis repetitor"
Lanea omoalpha Murphy and Valenzuela-Rios 1999 conodont
 Ozarkodinida - Polygnathidae
Pandorinellina optima conodont
Subspecies"Pandorinellina optima optima"