Chanakhchi, Gnishik Fm (Permian of Armenia)

Where: Armenia (39.8° N, 45.1° E: paleocoordinates 8.2° S, 41.6° 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: 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 88706: authorized by Matthew Clapham, entered by Matthew Clapham on 18.04.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

Fusulinina
 Fusulinoidea - Schubertellidae
 Fusulinoidea - Staffellidae
 Fusulinoidea - Ozawainellidae
Reichelina sp. Erk 1941
Rauserella sp. Dunbar 1944
 Fusulinoidea - Schwagerinidae
Strophomenata
 Productida - Aulostegidae
Chonostegoides armenicus Sarycheva 1965
 Productida - Rugosochonetidae
Neochonetes armenicus Sokolskaja 1965
 Productida - Richthofeniidae
Richthofenia caucasica Licharew 1928
Richthofenia lawrenciana de Koninck 1863
 Orthotetida - Meekellidae
Orthothetina iljinae Sokolskaja 1965
Rhynchonellata
 Athyridida - Athyrididae
 Spiriferida - Ingelarellidae
 Rhynchonellida - Allorhynchidae
 Orthida - Enteletidae
Parenteletes sp. King 1931
Stenolaemata
 Fenestrida - Fenestellidae
"Fenestella araxensis" = Rectifenestella araxensis2
"Fenestella araxensis" = Rectifenestella araxensis2 Nikiforova 1933
 Fenestrida - Septoporidae
Septopora flabellata2 Nikiforova 1933
 Fenestrida - Polyporidae
Polypora pseudomacrops n. sp. Morozova 1965
Polypora tubulosa2 Nikiforova 1933
"Polypora praepluriformis" = Mackinneyella praepluriformis Morozova 1965
 Trepostomida - Araxoporidae
Araxopora bifoliata n. sp. Morozova 1965
Araxopora araxensis Nikiforova 1933
 Cryptostomata - Hyphasmoporidae
"Streblascopora fasciculata" = Streblotrypa (Streblascopora) fasciculata2
"Streblascopora fasciculata" = Streblotrypa (Streblascopora) fasciculata2 Bassler 1929
Dasycladophyceae
 Dasycladales - Triploporellaceae
 Dasycladales - Dasycladaceae
 Dasycladales - Seletonellaceae
 Dasycladales - Diploporaceae
Rhodophyceae
 Florideae - Ungdarellaceae
  - Gymnocodiaceae