Omulev Mnt. area,Tirekhtyakh Fm, Mirny Creek section, Unit P-65, Sample SIB79-37 (Ordovician of Russian Federation)

Where: Russian Federation (64.0° N, 147.2° E: paleocoordinates 13.6° N, 9.1° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Appendispinograptus supernus graptolite zone, Tirekhtyakh Formation, Ashgill (449.5 - 443.7 Ma)

• Late Ashgillian

• group of beds-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; limestone and calcareous shale

• The Tirekhtyakh Formation is from 255 to 320 m thick locally
• bioclastic limestone, with large algal and coral bioherms and thin interbeds of silty carbonaceou shale. The formation includes distinctive brachiopods

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 142460: authorized by Wolfgang Kiessling, entered by Mihaela Krause on 11.04.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Conodonta
 Protopanderodontida - Drepanoistodontidae
Drepanoistodus suberectus
Drepanoistodus suberectus Branson and Mehl 1933 conodont
 Protopanderodontida - Protopanderodontidae
Protopanderodus insculptus
Protopanderodus insculptus Branson and Mehl 1933 conodont
 Panderodontida - Panderodontidae
Belodina confluens, Panderodus unicostatus
Belodina confluens Sweet 1979 conodont
Panderodus unicostatus Branson and Mehl 1933 conodont