Yaschan River, tributary of Viliga River (Jurassic of Russian Federation)

Where: Russian Federation (61.9° N, 156.1° E: paleocoordinates 73.8° N, 151.1° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Late/Upper Pliensbachian (189.6 - 183.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified lithology not reported

Size class: macrofossils

Collection methods: Repository: TsGM (Central Scientific and Geological Museum, Novosibirsk), described by Tuchkov, 1956

Primary reference: A. S. Dagys. 1968. Yurskie i Rannemelovye brakhiopody Severa Sibiri. Akademiya Nauk SSSR, Sibirskoe Otdelenie Trudy Instituta Geologii I Geofiziki 1-167 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 135582: authorized by Matthew Clapham, entered by Matthew Clapham on 28.10.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Rhynchonellata
 Terebratulida - Triadithyrididae
 Rhynchonellida - Tetrarhynchiidae
 Rhynchonellida - Cyclothyrididae
Rudirhynchia najahaensis Moisseiev 1947