Ustlon, near Kazan (Permian of Russian Federation)

Where: Russian Federation (55.8° N, 49.0° E: paleocoordinates 27.4° N, 42.7° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Roadian (272.3 - 268.8 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified lithology not reported

Size class: macrofossils

Collected by Roderick Murchison, Eduoard de Verneuil, Alexandre Keyserling in 1840

Primary reference: E. de Verneuil. 1845. Paléontologie. Géologie de la Russie d'Europe et des Montagne de l'Oural, Paléontologie 2(3):1-512 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 117277: authorized by Matthew Clapham, entered by Matthew Clapham on 18.09.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Cardiidia - Sanguinolitidae
""Osteodesma" kutorgana" = Wilkingia kutorgana
""Osteodesma" kutorgana" = Wilkingia kutorgana de Verneuil 1845 clam
 Cardiida - Kalenteridae
"Mytilus pallasi" = Stutchburia pallasi
"Mytilus pallasi" = Stutchburia pallasi de Verneuil 1845 clam
 Pectinida - Pseudomonotidae
"Avicula kazanensis n. sp." = Aviculomonotis kazanensis
"Avicula kazanensis n. sp." = Aviculomonotis kazanensis de Verneuil 1845 scallop
 Pectinida - Streblochondriidae
"Avicula sericea n. sp." = Streblochondria sericea
"Avicula sericea n. sp." = Streblochondria sericea de Verneuil 1845 scallop