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