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 (266.9 - 264.3 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
Chlorophyceae | |
Atractyliopsis fecundus n. sp., "Mizzia yabei" = Stolleyella yabei, Endoina stellata, Mizzia velebitana, Pseudogyroporella grandis, Gyroporella tenuimarginata
Atractyliopsis fecundus n. sp. Korde 1965
"Mizzia yabei" = Stolleyella yabei Karpinsky 1908
Endoina stellata Korde 1965
Mizzia velebitana Schubert 1908
Pseudogyroporella grandis Korde 1965 | |
Foraminifera | |
Nankinella caucasica, Nankinella cf. minor, Nankinella sp., Nankinella orbicularia, Kahlerina cf. pachytheca, Pisolina abichi, Leella ex gr. bellula, Leella armenica, Staffella sphaerica, Staffella sp., Staffella suborientalis, Sphaerulina crassispira, Sphaerulina sp.
Nankinella sp. Lee 1933
Nankinella orbicularia Lee 1934
Leella ex gr. bellula Dunbar and Skinner 1937
Leella armenica Rosovskaya 1965
Staffella suborientalis Rosovskaya 1965 | |
Dunbarula sp. Ciry 1948
Dunbarula ex gr. mathieui Ciry 1948
Minojapanella cf. parva Sheng 1963
Codonofusiella schubertelloides Sheng 1956 | |
Rhodophyceae | |
Ungdarella stellata Korde 1965 | |
Succodium difficile n. sp. Korde 1965
Succodium ambiguum n. sp. Korde 1965 | |
Strophomenata | |
Richthofenia lawrenciana de Koninck 1863
Richthofenia caucasica Licharew 1928 | |
Chonostegoides armenicus Sarycheva 1965 | |
Neochonetes armenicus Sokolskaja 1965 | |
Orthothetina iljinae Sokolskaja 1965 | |
Rhynchonellata | |
Parenteletes sp. King 1931 | |
Martiniopsis inflata Waagen 1883 | |
Septospirigerella applanata1 Grunt 1986 | |
Terebratuloidea minor Waagen 1883 | |
Stenolaemata | |
"Streblascopora fasciculata" = Streblotrypa (Streblascopora) fasciculata2
"Streblascopora fasciculata" = Streblotrypa (Streblascopora) fasciculata2 Bassler 1929 | |
Septopora flabellata2 Nikiforova 1933 | |
"Fenestella araxensis" = Rectifenestella araxensis2
"Fenestella araxensis" = Rectifenestella araxensis2 Nikiforova 1933 | |
Polypora tubulosa2, Polypora pseudomacrops n. sp., "Polypora praepluriformis" = Mackinneyella praepluriformis
Polypora tubulosa2 Nikiforova 1933
Polypora pseudomacrops n. sp. Morozova 1965
"Polypora praepluriformis" = Mackinneyella praepluriformis Morozova 1965 | |
Araxopora bifoliata n. sp. Morozova 1965
Araxopora araxensis Nikiforova 1933 |