Geranos Creek, Vedi River 2, Gnishik Horizon (Permian of Armenia)

Where: Armenia (39.9° N, 44.9° E)

• Paleocoordinates: 4.6° S, 52.5° E (Wright 2013)

• 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 limestone

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 113617: authorized by Matthew Clapham, entered by Matthew Clapham on 03.08.2011

Creative Commons license: CC0 (CC0)

Taxonomic list

Show authors, comments, and common names
Trilobita
 Proetida - Phillipsiidae
Acropyge "sp. A"1, Pseudophillipsia armenica1, Pseudophillipsia (Carniphillipsia) paffenholzi1
Acropyge "sp. A"1 Qian 1977 trilobite
Pseudophillipsia armenica1 Weber 1944 trilobite
Pseudophillipsia (Carniphillipsia) paffenholzi1 Weber 1944 trilobite
P. armenica (Pl 45, fig 1a,b) in Ruzhentsev & Sarytcheva, 1965
Stenolaemata
 Cryptostomata - Acanthocladiidae
"Polypora praepluriformis" = Mackinneyella praepluriformis2, "Polypora dzhulfensis" = Mackinneyella dzhulfensis2, Polypora tubulosa2
"Polypora praepluriformis" = Mackinneyella praepluriformis2 Morozova 1965
"Polypora dzhulfensis" = Mackinneyella dzhulfensis2 Morozova 1965
Polypora tubulosa2 Nikiforova 1933
 Cryptostomata - Septoporidae
Septopora lineata2, Septopora quasiorientalis2
Septopora lineata2 Nikiforova 1933
Septopora quasiorientalis2 Morozova 1965
Rhynchonellata
 Terebratulida - Pseudodielasmatidae
"Dielasma mongolicum" = Levenolasma mongolica
"Dielasma mongolicum" = Levenolasma mongolica Grabau 1931
 Terebratulida - Gillediidae
Hemiptychina kutorgi n. sp.4
Hemiptychina kutorgi n. sp.4 Smirnova 2007
 Rhynchonellida - Wellerellidae
Wellerella arthaberi
Wellerella arthaberi Tschernyschew 1914
 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
 Spiriferida - Elythidae
Phricodothyris asiatica
 Spiriferida - Ingelarellidae
Martiniopsis inflata
Strophomenata
 Strophomenida - Rugosochonetidae
Neochonetes armenicus
Neochonetes armenicus Sokolskaja 1965
 Orthotetida - Meekellidae
Orthothetina vediensis n. sp., Orthothetina iljinae
Orthothetina vediensis n. sp. Sokolskaja 1965
Orthothetina iljinae Sokolskaja 1965
 Productida - Echinoconchidae
"Vediproductus vediensis" = Vediproductus punctatiformis
"Vediproductus vediensis" = Vediproductus punctatiformis Chao 1927
 Productida - Productellidae
"Krotovia jisuensiformis" = Echinauriella jisuensiformis, Ogbinia dzhagrensis n. sp.
"Krotovia jisuensiformis" = Echinauriella jisuensiformis Sarycheva 1965
Ogbinia dzhagrensis n. sp. Sarycheva 1965
 Productida - Linoproductidae
Linoproductus cora
Linoproductus cora d'Orbigny 1842
 Productida -
Marginifera magniplicata
 Productida - Aulostegidae
Edriosteges poyangensis, Chonostegoides ogbinensis, Chonostegoides armenicus
Chonostegoides ogbinensis Sarycheva 1965
Chonostegoides armenicus Sarycheva 1965
 Productida - Lyttoniidae
Leptodus richthofeni, Keyserlingina caucasica3
Keyserlingina caucasica3 Licharew 1931
Chlorophyceae
 Dasycladales - Dasycladaceae
Pseudogyroporella grandis, Pseudovermiporella sodalica
 Dasycladales - Diploporaceae
Diplopora americana
Rhodophyceae
  - Gymnocodiaceae
Succodium ambiguum, Gymnocodium bellerophonte
Succodium ambiguum Korde 1965
Foraminifera
 Fusulinoidea - Staffellidae
Staffella suborientalis
Staffella suborientalis Rosovskaya 1965
1Lerosey-Aubril 2012; 2Morozova 1970; 3Sarycheva 1964; 4Smirnova 2007