Ogbin 2, Gnishik Fm, Dzhagra River (Permian of Armenia)

Where: Armenia (39.6° N, 45.4° E: paleocoordinates 8.5° S, 41.5° 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: marine; lithified lithology not reported

Size class: macrofossils

Collection methods: peel or thin section

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 113725: authorized by Matthew Clapham, entered by Matthew Clapham on 04.08.2011

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
Pseudofusulina chihsiaensis
includes var. regularis
 Fusulinoidea - Verbeekinidae
"Brevaxina cf. dyhrenfurti" = Misellina (Brevaxina)
"Brevaxina cf. dyhrenfurti" = Misellina (Brevaxina)
 Fusulinoidea - Boultoniidae
Dunbarula sp. Ciry 1948
Rhodophyceae
 Florideae -
  - Gymnocodiaceae
Chlorophyceae
 Dasycladales - Seletonellaceae
Strophomenata
 Orthotetida - Meekellidae
Orthothetina vediensis Sokolskaja 1965
Geyerella sp. Schellwien 1900
 Strophomenida - Rugosochonetidae
Neochonetes armenicus Sokolskaja 1965
 Productida -
 Productida - Echinoconchidae
"Vediproductus vediensis" = Vediproductus punctatiformis
"Vediproductus vediensis" = Vediproductus punctatiformis Chao 1927
 Productida - Productellidae
"Krotovia jisuensiformis" = Echinauriella jisuensiformis Sarycheva 1965
Ogbinia dzhagrensis Sarycheva 1965
 Productida - Linoproductidae
Linoproductus cora d'Orbigny 1842
 Productida - Aulostegidae
Chonostegoides armenicus n. sp. Sarycheva 1965
Chonostegoides ogbinensis n. sp. Sarycheva 1965
 Productida - Richthofeniidae
Richthofenia caucasica Licharew 1928
 Productida - Lyttoniidae
Rhynchonellata
 Orthida - Schizophoriidae
Orthotichia avushensis n. sp. Sokolskaja 1965
 Spiriferinida - Spiriferellinidae
Spiriferellina ex gr. cristata, "Reticulariina aff. netschajewi" = Spiriferellina netschajewi
Spiriferellina ex gr. cristata von Schlotheim 1816
"Reticulariina aff. netschajewi" = Spiriferellina netschajewi Ivanova 1960
 Terebratulida - Gillediidae
Hemiptychina kutorgi4 Smirnova 2007
Hemiptychina himalayensis4 Davidson 1862
 Terebratulida - Dielasmatidae
Dielasma plica Kutorga 1842
Dielasma elongatum von Schlotheim 1816
Stenolaemata
 Cystoporata - Fistuliporidae
Fistulipora monticulosa2 Nikiforova 1933
Cyclotrypa ogbinensis n. sp.1 Morozova 1965
 Cryptostomata - Acanthocladiidae
Polypora tubulosa2, "Polypora praepluriformis n. sp." = Mackinneyella praepluriformis1, "Polypora dzhulfensis" = Mackinneyella dzhulfensis1, "Polypora ogbinensis" = Mackinneyella ogbinensis2, "Polypora robustiformis n. sp." = Mackinneyella robustiformis1
Polypora tubulosa2 Nikiforova 1933
"Polypora praepluriformis n. sp." = Mackinneyella praepluriformis1 Morozova 1965
"Polypora dzhulfensis" = Mackinneyella dzhulfensis1 Morozova 1965
"Polypora ogbinensis" = Mackinneyella ogbinensis2 Nikiforova 1933
"Polypora robustiformis n. sp." = Mackinneyella robustiformis1 Morozova 1965
 Cryptostomata - Septoporidae
Septopora lineata2 Nikiforova 1933
Septopora quasiorientalis1 Morozova 1965
Septopora flabellata2 Nikiforova 1933
 Cryptostomata - Fenestellidae
Fenestella subconstans2 Yang and Lu 1962
"Fenestella duplipora" = Ogbinofenestella duplipora1 Morozova 1965
 Cryptostomata - Hyphasmoporidae
Ogbinopora armeniensis1 Shishova 1965
 Rhabdomesida - Rhabdomesidae
Rhabdomeson floriferum3 Shishova 1964
 Trepostomida - Araxoporidae
Araxopora araxensis2 Nikiforova 1933
Araxopora macrocava n. sp.1 Morozova 1965
Araxopora spinata n. sp.1 Morozova 1965
 Cystoporida - Hexagonellidae
Hexagonella ramosa2 Waagen and Wentzel 1886