Where: Azerbaijan (39.6° N, 45.1° E: paleocoordinates 8.5° S, 41.3° 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: 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 82257: authorized by Matthew Clapham, entered by Matthew Clapham on 25.07.2008
Creative Commons license: CC BY (attribution)
Taxonomic list
Chlorophyceae | |
Endoina stellata Korde 1965
Pseudogyroporella grandis Korde 1965 | |
Foraminifera | |
Nankinella orientalis, Kahlerina cf. pachytheca, Leella ex gr. bellula, Staffella sphaerica, Staffella suborientalis, Staffella arakeljani, Sphaerulina crassispira, Sphaerulina sp.
Leella ex gr. bellula Dunbar and Skinner 1937
Staffella suborientalis Rosovskaya 1965
Staffella arakeljani Rauser-Chernousova 1965 | |
Reichelina sp. Erk 1941 | |
Dunbarula sp. Ciry 1948 | |
Verbeekina verbeeki Geinitz and Marek 1876 | |
Rhodophyceae | |
Ungdarella stellata n. sp.
Ungdarella stellata n. sp. Korde 1965 | |
Succodium ambiguum Korde 1965 | |
Anthozoa | |
Michelinia vesiculosa Tchudinova 1965 tabulate coral | |
"Ufimia alternata" = Praetachylasma alternatum
"Ufimia alternata" = Praetachylasma alternatum Huang 1932 horn coral | |
Ufimia elongata Grabau 1922 horn coral | |
"Wentzelella szechuanensis" = Szechuanophyllum szechuanense
"Wentzelella szechuanensis" = Szechuanophyllum szechuanense Huang 1932 horn coral | |
"Wentzelella subtimorica" = Ipciphyllum subtimoricum, "Wentzelella elegans" = Ipciphyllum elegans, "Wentzelella flexuosa" = Ipciphyllum flexuosum, Wentzelella armenica, "Wentzelella densicolumnata" = Wentzelella (Wentzelella) densicolumnata
"Wentzelella subtimorica" = Ipciphyllum subtimoricum Huang 1932 horn coral
"Wentzelella elegans" = Ipciphyllum elegans Huang 1932 horn coral
"Wentzelella flexuosa" = Ipciphyllum flexuosum Huang 1932 horn coral
Wentzelella armenica horn coral
"Wentzelella densicolumnata" = Wentzelella (Wentzelella) densicolumnata Iljina 1965 horn coral | |
Strophomenata | |
Chonostegoides armenicus Sarycheva 1965 | |
Spinomarginifera lopingensis Kayser 1883 | |
Ogbinia dzhagrensis Sarycheva 1965 | |
Neochonetes armenicus Sokolskaja 1965 | |
Orthothetina iljinae Sokolskaja 1965 | |
Rhynchonellata | |
"Neophricadothyris indica" = Permophricodothyris indica
"Neophricadothyris indica" = Permophricodothyris indica Waagen 1883 | |
Septospirigerella baissalensis Grunt 1965 | |
Stenolaemata | |
Septopora lineata Nikiforova 1933 | |
Polypora tubulosa Nikiforova 1933 | |
Araxopora araxensis Nikiforova 1933 |