Chanakhchi, Khachik Fm (Permian of Armenia)

Where: Armenia (39.8° N, 45.1° E: paleocoordinates 5.4° S, 40.8° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Khachik Formation, Capitanian (265.1 - 259.9 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 88708: authorized by Matthew Clapham, entered by Matthew Clapham on 18.04.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Fusulinina
 Fusulinoidea - Schubertellidae
Codonofusiella sp. Dunbar and Skinner 1937
Codonofusiella erki Rauser-Chernousova 1965
 Fusulinoidea - Staffellidae
 Fusulinoidea - Ozawainellidae
 Earlandiacea - Earlandiidae
Strophomenata
 Productida - Rugosochonetidae
Neochonetes armenicus Sokolskaja 1965
 Productida - Richthofeniidae
Richthofenia lawrenciana de Koninck 1863
 Orthotetida - Meekellidae
Orthothetina iljinae Sokolskaja 1965
Orthothetina dzhulfensis Sokolskaja 1965
"Orthothetina arakeljani" = Meekella arakeljani Sokolskaja 1965
Rhynchonellata
 Athyridida - Athyrididae
 Terebratulida - Pseudodielasmatidae
"Dielasma mongolicum" = Levenolasma mongolica
"Dielasma mongolicum" = Levenolasma mongolica Grabau 1931
 Spiriferinida - Spiriferellinidae
Spiriferellina ex gr. cristata von Schlotheim 1816
 Rhynchonellida - Allorhynchidae
 Orthida - Schizophoriidae
Orthotichia avushensis Sokolskaja 1965
Demospongea
 Agelasida - Cryptocoeliidae
Stylocoelia circopora2 Wu 1991 demosponge
Dasycladophyceae
 Dasycladales - Dasycladaceae
Rhodophyceae
 Florideae - Dzhulfanellaceae
  - Gymnocodiaceae