Shar'yu River, Chernyshev Ridge (Devonian of Russian Federation)

Where: Russian Federation (66.2° N, 58.7° E: paleocoordinates 12.3° N, 10.1° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Pa. marginifera conodont zone, Famennian (372.2 - 358.9 Ma)

• middle Famennian

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified lithology not reported

Size class: macrofossils

Collection methods: Repository: Laboratory of Palaeontology, St. Petersburg University , St. Petersburg, Russia

Primary reference: A. Ivanov. 1999. Late Devonian - Early Permian chondrichthyans of the Russian Arctic. Acta Palaeontologica Polonica 49(3):267-285 [M. Clapham/P. Vazquez]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 133361: authorized by Matthew Clapham, entered by Priscilla Vazquez on 10.09.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Euselachii - Sphenacanthidae
Sphenacanthus sp. Agassiz 1837 elasmobranch
LP 6-32
 Euselachii - Protacrodontidae
Protacrodus sp. Jaekel 1925 elasmobranch
LP 6-31
 Symmoriiformes - Symmoriidae
Stethacanthus sp. Newberry 1889 elasmobranch
LP 6-30
Symmorium sp. Cope 1893 elasmobranch
LP 6-28
 Cladodontida -
"Cladodontida indet." = Cladodontomorphii
"Cladodontida indet." = Cladodontomorphii Obruchev 1967 elasmobranch
LP 6-29