Avush Gorge, Gnishik Gorizont (Permian of Azerbaijan)

Where: Azerbaijan (39.6° N, 45.2° E: paleocoordinates 8.5° S, 41.4° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Gnishik Formation, Wordian (268.8 - 265.1 Ma)

• member-level stratigraphic resolution

Environment/lithology: open shallow subtidal; lithified limestone

Size class: macrofossils

Primary reference: V. E. Ruzhentsev and T. G. Sarycheva. 1965. The Development and Change of Marine Organisms at the Palaeozoic-Mesozoic Boundary. Akademiya Nauk SSSR, Trudy Paleontologicheskogo Instituta 108:1-431 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 82115: authorized by Matthew Clapham, entered by Matthew Clapham on 23.07.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Foraminifera
 Fusulinoidea - Staffellidae
 Fusulinoidea - Schwagerinidae
"Polydiexodina persica" = Eopolydiexodina persica Kahler 1933
"Polydiexodina darwasica" = Eopolydiexodina darwasica Dutkevich 1939
includes ssp. sogdiana
 Fusulinoidea - Verbeekinidae
"Brevaxina cf. dyhrenfurti" = Misellina (Brevaxina)
"Brevaxina cf. dyhrenfurti" = Misellina (Brevaxina)
 Fusulinoidea - Boultoniidae
Rhodophyceae
 Florideae -
  - Gymnocodiaceae
Succodium ambiguum Korde 1965
Chlorophyceae
 Dasycladales - Dasycladaceae
Strophomenata
 Orthotetida - Meekellidae
Orthothetina vediensis Sokolskaja 1965
Corrected from Orthotetina
 Strophomenida - Rugosochonetidae
Neochonetes armenicus Sokolskaja 1965
 Productida -
 Productida - Echinoconchidae
"Vediproductus vediensis n. gen. n. sp." = Vediproductus punctatiformis
"Vediproductus vediensis n. gen. n. sp." = Vediproductus punctatiformis Chao 1927
 Productida - Productellidae
"Krotovia jisuensiformis" = Echinauriella jisuensiformis Sarycheva 1965
Ogbinia dzhagrensis Sarycheva 1965
Rhynchonellata
 Rhynchonellida - Wellerellidae
Wellerella arthaberi, "Uncinunellina theobaldi" = Uncinunellina timorensis1
Wellerella arthaberi Tschernyschew 1914
"Uncinunellina theobaldi" = Uncinunellina timorensis1 Beyrich 1865
 Orthida - Schizophoriidae
Orthotichia avushensis Sokolskaja 1965
 Terebratulida - Gillediidae
Hemiptychina kutorgi3 Smirnova 2007
Stenolaemata
 Cryptostomata - Septoporidae
Septopora lineata2 Nikiforova 1933