Dzhugadzhak River, Kolyma River basin, Omolon massif (Triassic of Russian Federation)

Where: Russian Federation (64.9° N, 156.5° E: paleocoordinates 73.7° N, 25.9° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Left Kedon Formation, Aegean (247.2 - 242.0 Ma)

• Age given as Lower Anisian (and Middle Triassic) but conodont names are a repeated list of Smithian taxa from the Tikhaya River locality. I assume the conodont names are a error.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, carbonaceous limestone and lithified siltstone

• Dark gray bituminous limestones and siltstones

Size class: microfossils

Collection methods: Repository: Paleontology Museum, St. Petersburg University (MP SPU)

Primary reference: A. Ivanov and T. Klets. 2007. Triassic marine fishes from Siberia, Russia. In S.G. Lucas, J.A. Spielmann (eds.), The Global Triassic. New Mexico Museum of Natural History and Science Bulletin 41:108-109 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 149343: authorized by Matthew Clapham, entered by Matthew Clapham on 02.08.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Gnathostomata
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Actinopterygii indet.
Actinopterygii indet. ray-finned fish
Chondrichthyes
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Fragilicorona sp., Proprigalea sp., Gracilisuggestus sp.
Fragilicorona sp. Johns 1997 elasmobranch
Proprigalea sp. Johns 1997 cartilaginous fish
Gracilisuggestus sp. Johns 1997 cartilaginous fish