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 (266.9 - 264.3 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

Show authors, comments, and common names
Stenolaemata
 Cystoporida - Hexagonellidae
Hexagonella ramosa2
Hexagonella ramosa2 Waagen and Wentzel 1886
 Trepostomida - Araxoporidae
Araxopora macrocava n. sp.1, Araxopora araxensis2, Araxopora spinata n. sp.1
Araxopora macrocava n. sp.1 Morozova 1965
Araxopora araxensis2 Nikiforova 1933
Araxopora spinata n. sp.1 Morozova 1965
 Cystoporata - Fistuliporidae
Fistulipora hangchouensis2, Fistulipora monticulosa2, Cyclotrypa ogbinensis n. sp.1
Fistulipora monticulosa2 Nikiforova 1933
Cyclotrypa ogbinensis n. sp.1 Morozova 1965
 Rhabdomesida - Rhabdomesidae
Rhabdomeson floriferum3
Rhabdomeson floriferum3 Shishova 1964
 Cryptostomata - Fenestellidae
Fenestella subconstans2, "Fenestella duplipora" = Ogbinofenestella duplipora1
Fenestella subconstans2 Yang and Lu 1962
"Fenestella duplipora" = Ogbinofenestella duplipora1 Morozova 1965
 Cryptostomata - Septoporidae
Septopora quasiorientalis1, Septopora lineata2, Septopora flabellata2
Septopora lineata2 Nikiforova 1933
Septopora flabellata2 Nikiforova 1933
 Cryptostomata - Acanthocladiidae
Polypora tubulosa2, "Polypora dzhulfensis" = Mackinneyella dzhulfensis1, "Polypora praepluriformis n. sp." = Mackinneyella praepluriformis1, "Polypora ogbinensis" = Mackinneyella ogbinensis2, "Polypora robustiformis n. sp." = Mackinneyella robustiformis1
Polypora tubulosa2 Nikiforova 1933
"Polypora dzhulfensis" = Mackinneyella dzhulfensis1 Morozova 1965
"Polypora praepluriformis n. sp." = Mackinneyella praepluriformis1 Morozova 1965
"Polypora ogbinensis" = Mackinneyella ogbinensis2 Nikiforova 1933
"Polypora robustiformis n. sp." = Mackinneyella robustiformis1 Morozova 1965
 Cryptostomata - Hyphasmoporidae
Ogbinopora armeniensis1
Ogbinopora armeniensis1 Shishova 1965
Rhynchonellata
 Orthida - Schizophoriidae
Orthotichia avushensis n. sp.
Orthotichia avushensis n. sp. Sokolskaja 1965
 Terebratulida - Dielasmatidae
Dielasma elongatum, Dielasma plica
Dielasma elongatum von Schlotheim 1816
Dielasma plica Kutorga 1842
 Terebratulida - Gillediidae
Hemiptychina himalayensis4, Hemiptychina kutorgi4
Hemiptychina kutorgi4 Smirnova 2007
 Spiriferinida - Spiriferellinidae
"Reticulariina aff. netschajewi" = Spiriferellina netschajewi, Spiriferellina ex gr. cristata
"Reticulariina aff. netschajewi" = Spiriferellina netschajewi Ivanova 1960
Spiriferellina ex gr. cristata von Schlotheim 1816
Strophomenata
 Strophomenida - Rugosochonetidae
Neochonetes armenicus
Neochonetes armenicus Sokolskaja 1965
 Productida - Productellidae
"Krotovia jisuensiformis" = Echinauriella jisuensiformis, Ogbinia dzhagrensis
"Krotovia jisuensiformis" = Echinauriella jisuensiformis Sarycheva 1965
Ogbinia dzhagrensis Sarycheva 1965
 Productida - Linoproductidae
Linoproductus cora
Linoproductus cora d'Orbigny 1842
 Productida - Echinoconchidae
"Vediproductus vediensis" = Vediproductus punctatiformis
"Vediproductus vediensis" = Vediproductus punctatiformis Chao 1927
 Productida -
Marginifera magniplicata
 Productida - Richthofeniidae
Richthofenia caucasica
Richthofenia caucasica Licharew 1928
 Productida - Lyttoniidae
Leptodus richthofeni
 Productida - Aulostegidae
Edriosteges poyangensis, Chonostegoides armenicus n. sp., Chonostegoides ogbinensis n. sp.
Chonostegoides armenicus n. sp. Sarycheva 1965
Chonostegoides ogbinensis n. sp. Sarycheva 1965
 Orthotetida - Meekellidae
Geyerella sp., Orthothetina vediensis
Geyerella sp. Schellwien 1900
Orthothetina vediensis Sokolskaja 1965
Rhodophyceae
 Florideae -
Ungdarella stellata
  - Gymnocodiaceae
Gymnocodium bellerophonte
Chlorophyceae
 Dasycladales - Seletonellaceae
Epimastopora alpina
Foraminifera
 Fusulinoidea - Boultoniidae
Dunbarula sp.
Dunbarula sp. Ciry 1948
 Fusulinoidea - Verbeekinidae
"Brevaxina cf. dyhrenfurti" = Misellina (Brevaxina)
"Brevaxina cf. dyhrenfurti" = Misellina (Brevaxina)
 Fusulinoidea - Schwagerinidae
Pseudofusulina chihsiaensis, Pseudofusulina pseudochihsiaensis, Pseudofusulina tienchiaensis, "Polydiexodina darwasica" = Eopolydiexodina darwasica, "Polydiexodina persica" = Eopolydiexodina persica
Pseudofusulina chihsiaensis
includes var. regularis
"Polydiexodina darwasica" = Eopolydiexodina darwasica Dutkevich 1939
includes ssp. sogdiana
"Polydiexodina persica" = Eopolydiexodina persica Kahler 1933
 Fusulinoidea - Staffellidae
Sphaerulina crassispira, Sphaerulina ogbinensis, Leella ex gr. bellula, Leella armenica, Pisolina subsphaerica, Pisolina sp., Staffella sphaerica, Staffella suborientalis, Nankinella sp., Nankinella orbicularia
Sphaerulina ogbinensis Rosovskaya 1965
Leella ex gr. bellula Dunbar and Skinner 1937
Leella armenica Rosovskaya 1965
Staffella suborientalis Rosovskaya 1965
Nankinella sp. Lee 1933
1Morozova 1965; 2Morozova 1970; 3Shishova 1964; 4Smirnova 2007