Shakhtau open pit, sample 7 (Permian of Russian Federation)

Where: Bashkortostan, Russian Federation (53.6° N, 56.1° E: paleocoordinates 22.1° N, 42.2° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Shakhtau Reef Formation, Asselian (298.9 - 295.5 Ma)

• The preliminary estimate of the geological age based on geological exploration profiles is Late Asselian

• group of beds-level stratigraphic resolution

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

Size class: macrofossils

Preservation: mold/impression

Reposited in the PIN

• PIN collections 5538 (gastropods) and 5668 (cephalopods)

Primary reference: A. V. Mazaev. 2019. A new species of the genus Bellazona (Gastropoda) from the Early Permian reef limestones of Shakhtau. Paleontological Journal 53:252-256 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 202159: authorized by Matthew Clapham, entered by Matthew Clapham on 27.06.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

Tergomya
 Archinacellida - Damilinidae
Novlepatella uralensis n. sp.3 Mazaev 2019
Rostroconchia
 Conocardiida - Bransoniidae
Ashaconcha rara5 Mazaev 2023
Hoarepora uralica5 Mazaev 2023
Gastropoda
 Zygopleuroidea - Pseudozygopleuridae
Plocezyga minuta n. sp.3 Mazaev 2019 snail
Stephanozyga seminuda3 Mazaev 2019 snail
Bandelzyga elegans n. sp.3 Mazaev 2019 snail
 Cerithioidea - Acanthonematidae
Callispira taosiformis n. sp.3 Mazaev 2019 snail
 Caenogastropoda - Orthonematidae
Orthonema "sp. 1"3 Meek and Worthen 1862 snail
Orthonema frequens3 Licharew 1968 snail
Orthonema nonnullum n. sp.3 Mazaev 2019 snail
Arribazona seleukensis n. sp.3 Mazaev 2019 snail
 Caenogastropoda - Goniasmatidae
Platyzona shikhanensis3 Mazaev 2019 snail
Stegocoelia abscisa n. sp.3 Mazaev 2019 snail
 Caenogastropoda - Meekospiridae
Girtyspira oblonga n. sp.3 Mazaev 2019 snail
 Neritoidea - Naticopsidae
Naticopsis spallanzanii3 Gemmellaro 1889 snail
 Cycloneritida - Trachyspiridae
Trachydomia shkurkoi3 Mazaev 2019 snail
 Heterostropha - Stuoraxidae
Monimirus bonus n. gen. n. sp.3
Monimirus bonus n. gen. n. sp.3 Mazaev 2019 snail
 Trochoidea - Araeonematidae
Yunnania romanovskyi3 Licharew 1967 snail
 Euomphalina - Pseudophoridae
Sallya indigena n. sp.3 Mazaev 2019 snail
 Euomphalina - Omphalotrochidae
Orecopia inopinata n. sp.3 Mazaev 2019 snail
 Euomphalina - Anomphalidae
Anomphalus planus3 Licharew 1967 snail
Bolicharewia edita n. gen. n. sp.3 Mazaev 2019 snail
Tychonia fortis n. sp.3 Mazaev 2019 snail
 Euomphalina - Platyceratidae
Strophostylus fortuitus n. sp.3 Mazaev 2019 snail
 Bellerophontida - Bellerophontidae
Bellerophon shakhtauensis3 Mazaev 2019 snail
Bellerophon isfarensis3 Licharev and Netschajev 1956 snail
Retispira modesta3 Girty 1909 snail
 Murchisoniina - Gosseletinidae
Peruvispira uralensis n. sp.3 Mazaev 2019 snail
Stenozone spiralis3 Mazaev 2019 snail
Ananias bashkiriensis3 Mazaev 2019 snail
Baylea inclinata1 Weller 1929 snail
"Globodoma magna" = Nemaspira magna3 Mazaev 2019 snail
Nemaspira skuini4 Mazaev 2021 snail
Dictyotomaria balabanovi3 Mazaev 2019 snail
 Murchisoniina - Portlockiellidae
Permoconcha ferganica3 Licharev 1967 snail
 Murchisoniina - Porcelliidae
"Porcellia (Porcellia) magninodosa" = Porcellia magninodosa3
"Porcellia (Porcellia) magninodosa" = Porcellia magninodosa3 Pan 1985 snail
 Murchisoniina - Eotomariidae
Spiroscala elegans n. sp.3 Mazaev 2019 snail
 Murchisoniina - Phymatopleuridae
Vicnigoria monstrata n. gen. n. sp.3 Mazaev 2019 snail
Eirlysia lata3 Mazaev 2015 snail
Eirlysia nodata3 Mazaev 2015 snail
Eirlysia reticulata3 Batten 1958 snail
Eirlysia reticulatiformis n. sp.3 Mazaev 2019 snail
Discotomaria basisulcata3 Batten 1956 snail
Perakella shakhtauensis2 Mazaev 2019 snail
Tapinotomaria cancellata n. sp.3 Mazaev 2019 snail
 Murchisoniina - Soleniscidae
Soleniscus cf. elegans3 Gemmellaro 1887 snail
 Murchisoniina - Murchisoniidae
Bellazona acuta n. sp. Mazaev 2019 snail
Cephalopoda
 Bactritida - Bactritidae
Ctenobactrites costatus6 Shimanskiy 1951