Itschalki, Piana River (Permian of Russian Federation)

Where: Russian Federation (55.4° N, 44.5° E: paleocoordinates 25.6° N, 40.7° 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 limestone

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 117278: authorized by Matthew Clapham, entered by Matthew Clapham on 18.09.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Rhynchonellata
 Terebratulida - Dielasmatidae
"Terebratula elongata" = Dielasma elongatum
"Terebratula elongata" = Dielasma elongatum von Schlotheim 1816
Bivalvia
 Pectinida - Pseudomonotidae
"Ostrea matercula n. sp." = Pseudomonotis (Pseudomonotis) speluncaria
"Ostrea matercula n. sp." = Pseudomonotis (Pseudomonotis) speluncaria von Schlotheim 1816 scallop
 Ostreida - Bakevelliidae
"Avicula antiqua" = Bakevellia binneyi
"Avicula antiqua" = Bakevellia binneyi Brown 1841 oyster
 Cardiida - Kalenteridae
"Mytilus pallasi n. sp." = Stutchburia pallasi
"Mytilus pallasi n. sp." = Stutchburia pallasi de Verneuil 1845 clam
 Trigoniida - Schizodidae
Schizodus rossicus n. sp. de Verneuil 1845 clam
includes var. A
Gastropoda
 Prosobranchia - Goniasmatidae
"Murchisonia subangulata" = Goniasma subangulata
"Murchisonia subangulata" = Goniasma subangulata de Verneuil 1845 snail