PBDB Collection

Baisal Mountain, West Slope, Gnishik Formation (Permian of Azerbaijan)

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

Show authors, comments, and common names

Stenolaemata
Trepostomida - Araxoporidae	Araxopora araxensis Araxopora araxensis Nikiforova 1933
Cryptostomata - Septoporidae	Septopora lineata Septopora lineata Nikiforova 1933
Cryptostomata - Acanthocladiidae	Polypora tubulosa Polypora tubulosa Nikiforova 1933
Rhynchonellata
Athyridida - Athyrididae	Septospirigerella baissalensis Septospirigerella baissalensis Grunt 1965
Spiriferida - Elythidae	"Neophricadothyris indica" = Permophricodothyris indica "Neophricadothyris indica" = Permophricodothyris indica Waagen 1883
Strophomenata
Orthotetida - Meekellidae	Orthothetina iljinae Orthothetina iljinae Sokolskaja 1965
Strophomenida - Rugosochonetidae	Neochonetes armenicus Neochonetes armenicus Sokolskaja 1965
Productida -	Spinomarginifera lopingensis Spinomarginifera lopingensis Kayser 1883
Productida - Productellidae	Ogbinia dzhagrensis Ogbinia dzhagrensis Sarycheva 1965
Productida - Aulostegidae	Chonostegoides armenicus Chonostegoides armenicus Sarycheva 1965
Anthozoa
Rugosa -	"Ufimia alternata" = Praetachylasma alternatum "Ufimia alternata" = Praetachylasma alternatum Huang 1932 horn coral
Stauriida - Kepingophyllidae	"Wentzelella szechuanensis" = Szechuanophyllum szechuanense "Wentzelella szechuanensis" = Szechuanophyllum szechuanense Huang 1932 horn coral
Stauriida - Waagenophyllidae	"Wentzelella subtimorica" = Ipciphyllum subtimoricum, "Wentzelella flexuosa" = Ipciphyllum flexuosum, "Wentzelella elegans" = Ipciphyllum elegans, Wentzelella armenica, "Wentzelella densicolumnata" = Wentzelella (Wentzelella) densicolumnata "Wentzelella subtimorica" = Ipciphyllum subtimoricum Huang 1932 horn coral "Wentzelella flexuosa" = Ipciphyllum flexuosum Huang 1932 horn coral "Wentzelella elegans" = Ipciphyllum elegans Huang 1932 horn coral Wentzelella armenica horn coral "Wentzelella densicolumnata" = Wentzelella (Wentzelella) densicolumnata Iljina 1965 horn coral
Stauriida - Plerophyllidae	Ufimia elongata Ufimia elongata Grabau 1922 horn coral
Favositida - Micheliniidae	Michelinia vesiculosa Michelinia vesiculosa Tchudinova 1965 tabulate coral
Chlorophyceae
Dasycladales - Dasycladaceae	Pseudogyroporella grandis, Endoina stellata Pseudogyroporella grandis Korde 1965 Endoina stellata Korde 1965
Dasycladales - Seletonellaceae	Epimastopora nipponica Epimastopora nipponica
Rhodophyceae
Florideae -	Ungdarella stellata n. sp. Ungdarella stellata n. sp. Korde 1965
- Gymnocodiaceae	Succodium ambiguum, Gymnocodium bellerophonte Succodium ambiguum Korde 1965 Gymnocodium bellerophonte
Foraminifera
Fusulinoidea - Schwagerinidae	Pseudofusulina chihsiaensis, Pseudofusulina cf. australis, Chusenella cf. abichi, Chusenella cf. ishiaensis, Chusenella tieni, Chusenella brevis, Chusenella doraschamensis Pseudofusulina chihsiaensis Pseudofusulina cf. australis Chusenella cf. abichi Chusenella cf. ishiaensis Chusenella tieni Chusenella brevis Rosovskaya 1965 Chusenella doraschamensis Rosovskaya 1965
Fusulinoidea - Staffellidae	Kahlerina cf. pachytheca, Nankinella orientalis, Staffella sphaerica, Staffella arakeljani, Staffella suborientalis, Leella ex gr. bellula, Sphaerulina crassispira, Sphaerulina sp. Kahlerina cf. pachytheca Nankinella orientalis Staffella sphaerica Staffella arakeljani Rauser-Chernousova 1965 Staffella suborientalis Rosovskaya 1965 Leella ex gr. bellula Dunbar and Skinner 1937 Sphaerulina crassispira Sphaerulina sp.
Fusulinoidea - Verbeekinidae	Verbeekina cf. heimi, Verbeekina verbeeki Verbeekina cf. heimi Verbeekina verbeeki Geinitz and Marek 1876
Fusulinoidea - Ozawainellidae	Reichelina sp. Reichelina sp. Erk 1941
Fusulinoidea - Boultoniidae	Dunbarula sp. Dunbarula sp. Ciry 1948