Delyandzha River, western Verkhoyan (Permian to of Russian Federation)

Where: Russian Federation (64.0° N, 133.0° E: paleocoordinates 61.0° N, 29.4° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Kigiltas Formation, Asselian to Asselian (298.9 - 290.1 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Primary reference: A. S. Kashirtsev. 1959. Polevoi Atlas Fauny Permskikh Otlozhenii Severo-Vostoka SSSR 1-85 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 96746: authorized by Matthew Clapham, entered by Matthew Clapham on 29.06.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Strophomenata
 Productida - Productellidae
Fimbrinia transversa Shi and Waterhouse 1996
Rugivestis arctica Shi and Waterhouse 1996
 Productida - Productidae
"? Dictyoclostus cf. arcticus" = Thamnosia arctica
"? Dictyoclostus cf. arcticus" = Thamnosia arctica Whitfield 1908
 Productida - Linoproductidae
"Productus aagardi" = Megousia aagardi Toula 1875
Cancrinella cancriniformis Tschernyschew 1889
Rhynchonellata
 Spiriferida - Choristitidae
 Spiriferida - Elythidae
"Neophricadothyris asiatica" = Phricodothyris asiatica
"Neophricadothyris asiatica" = Phricodothyris asiatica Chao 1929
 Rhynchonellida - Rhynchoporidae
Rhynchopora nikitini Tschernyschew 1889