Chimbulat Quarry, locality 4919/19 (Permian of Russian Federation)

Where: Kirov, Russian Federation (57.4° N, 48.9° E: paleocoordinates 28.6° N, 41.5° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Nemda Formation, Roadian (272.3 - 268.8 Ma)

• Upper Kazanian substage

• group of beds-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified reef rocks

• "reef-building bodies"
• Reef limestone with abundant crinoid stems, bryozoans, and brachiopods

Size class: macrofossils

Preservation: mold/impression

Collected by A.V. Mazaev, M.S. Boiko, O.P. Shilovsky in 2004, 2005; reposited in the PIN

Collection methods: mechanical,

Primary reference: A. V. Mazaev. 2012. Anetshelloida, a new rostroconch order (Mollusca: Rostroconchia). Paleontological Journal 46(2):121-131 [M. Clapham/M. Clapham/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 126334: authorized by Matthew Clapham, entered by Matthew Clapham on 04.04.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Rostroconchia
 Conocardiida - Bransoniidae
Oxyprora tschernyschewi1 Licharew 1931
 Anetshelloida - Anetshellidae
Anetshella golowinskyi Netschajew 1894
Gastropoda
 Trochonematoidea - Lophospiridae
Biarmeaspira striata n. sp.2 Mazaev 2015 snail
Biarmeaspira yakowlewi2 Licharew 1967 snail
 Euomphalina - Elasmonematidae
Anematina rugoza n. sp.2 Mazaev 2015 snail
 Euomphalina - Platyceratidae
Stuckenbergispira kazanensis n. gen. n. sp.2 Mazaev 2015 snail
 Prosobranchia - Meekospiridae
Nemdaella leonovae2 Mazaev 2015 snail
Meekospira symmetrica2 King 1844 snail
 Prosobranchia - Goniasmatidae
Goniasma multilineata2, "Goniasma subangulata" = Goniasma subangulata2, "Goniasma golowkinskii" = Goniasma subangulata2
Goniasma multilineata2 Netchaev 1894 snail
"Goniasma subangulata" = Goniasma subangulata2 de Verneuil 1845 snail
"Goniasma golowkinskii" = Goniasma subangulata2 de Verneuil 1845 snail
 Prosobranchia - Orthonematidae
Arribazona burovi n. sp.2 Mazaev 2015 snail
Arribazona lata2 Netchaev 1894 snail
Arribazona kasanensis2 Netchaev 1894 snail
"Kazanella volgensis" = Kazankiella volgensis2 Golowinsky 1868 snail
 Prosobranchia - Pseudozygopleuridae
Levizygopleura elegans n. sp.2 Mazaev 2015 snail
 Cerithimorpha - Orthonemidae
Paleostylus kukarkensis n. sp.2 Mazaev 2015 snail
"Paleostylus planoverticum" = Palaeostylus planoverticum2 Netchaev 1894 snail
Paleostylus krotovi2 Mazaev 2015 snail
 Heterostropha - Donaldinidae
Royalella aufuga n. sp.2 Mazaev 2015 snail
 Neritoidea - Naticopsidae
? Naticopsis koljanuriensis n. sp.2 Mazaev 2015 snail
Naticopsis permica2 Netchaev 1894 snail
 Murchisoniina - Gosseletinidae
Neilsonia nuda2 Mazaev 2015 snail
 Murchisoniina - Soleniscidae
Soleniscus girtyi2 Erwin 1988 snail
Soleniscus netchaevi n. sp.2 Mazaev 2015 snail
 Murchisoniina - Palaeozygopleuridae
? Medfrazyga zaitzevi n. sp.2 Mazaev 2015 snail
 Pleurotomariida - Portlockiellidae
Permoconcha minutula n. sp.2 Mazaev 2015 snail
 Pleurotomariida - Phymatopleuridae
Eirlysia globosa2 Mazaev 2015 snail
Eirlysia undata2 Mazaev 2015 snail
Eirlysia scalare n. sp.2 Mazaev 2015 snail
Eirlysia lata2 Mazaev 2015 snail
Eirlysia nodata n. sp.2 Mazaev 2015 snail
Eirlysia seminuda n. sp.2 Mazaev 2015 snail
Eirlysia lens2 Mazaev 2015 snail
Baylea chimbulatiensis n. sp.2 Mazaev 2015 snail
Baylea subpenea2 Netchaev 1894 snail
Baylea foraminata n. sp.2 Mazaev 2015 snail
Baylea rigida n. sp.2 Mazaev 2015 snail
Baylea vjatkensis2 Mazaev 2015 snail
Baylea nemdaensis n. sp.2 Mazaev 2015 snail