Baisal, Bed 4 (Permian of Azerbaijan)

Where: Azerbaijan (39.6° N, 45.1° E: paleocoordinates 8.5° S, 41.3° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Gnishik Formation, Wordian (266.9 - 264.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lithified, black, gray, argillaceous limestone

• Dark gray to black, finely crystalline friable argillaceous limestone

Size class: macrofossils

Primary reference: G. V. Kotlyar, Y.u. D. Zakharov, G. S. Kropatcheva, G. P. Pronina, I. O. Chedija and V. I. Burago. 1989. Evolution of the latest Permian biota: Midian regional stage in the USSR 1-184 [M. Clapham/M. Clapham]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 94931: authorized by Matthew Clapham, entered by Matthew Clapham on 01.04.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Rhynchonellata
 Orthida - Schizophoriidae
"Acosarina avushensis" = Orthotichia avushensis
"Acosarina avushensis" = Orthotichia avushensis Sokolskaja 1965
Strophomenata
 Productida - Lyttoniidae
 Productida - Linoproductidae
 Productida -
 Productida - Productellidae
Ogbinia dzhagrensis Sarycheva 1965
"Krotovia jisuensiformis" = Echinauriella jisuensiformis Sarycheva 1965
 Productida - Aulostegidae
Chonostegoides armenicus Sarycheva 1965
Foraminifera
 Ammodiscoidea - Ammodiscidae
Glomospira "sp. 1" Rzehak 1895