Tikhaya River, Kotelniy Island, New Siberian Archipelago (Triassic of Russian Federation)

Where: Russian Federation (75.7° N, 137.9° E: paleocoordinates 64.4° N, 2.5° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Tuor-Yuryakh Formation, Smithian (251.3 - 247.2 Ma)

• Presence of Neospathodus waageni, Scythogondolella mosheri, etc. indicate Smithian age

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified claystone and lithified, shelly/skeletal limestone

• Rhythmic interbedding of dark gray clays and gray bioclastic limestones

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 149342: authorized by Matthew Clapham, entered by Matthew Clapham on 02.08.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
  -
Gracilisuggestus sp. Johns 1997 cartilaginous fish
 Synechodontiformes - Palaeospinacidae
Synechodus sp. Woodward 1888 elasmobranch
"resembling S. enniskilleni Duffin and Ward (1993)"
  -
Fragilicorona sp. Johns 1997 elasmobranch
Gnathostomata
  -
Actinopterygii indet. ray-finned fish