Omulev Mnt. area, Kanyon Fm., Mirny Creek section, Unit B8 (Ordovician of Russian Federation)

Where: Russian Federation (64.0° N, 147.2° E: paleocoordinates 10.7° N, 7.7° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Diplograptus ingens wellingtonensis graptolite zone, Kanyon Formation, Eastonian (456.1 - 449.5 Ma)

• Dicranograptus clingani Zone

• bed-level stratigraphic resolution

Environment/lithology: coastal; gray limestone and calcareous shale

• The Kanyon Formation is about 412 m thick
• dark gray limestone alternating with calcareous shale and siltstone

Size classes: macrofossils, mesofossils

Primary reference: S. Zhang and C. R. Barnes. 2007. Late Ordovician to Early Silurian Conodont faunas from the Kolyma Terrane, Omulev Mountains, Northeast Russia, and their paleobiogeographic affinity. Journal of Paleontology 81(3):490-512 [W. Kiessling/M. Krause/M. Krause]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 142450: authorized by Wolfgang Kiessling, entered by Mihaela Krause on 11.04.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Conodonta
 Panderodontida - Panderodontidae
Panderodus unicostatus Branson and Mehl 1933 conodont
Belodina compressa Branson and Mehl 1933 conodont
 Protopanderodontida - Drepanoistodontidae
Drepanoistodus suberectus Branson and Mehl 1933 conodont