Baisal, Bed 29 (Permian of Azerbaijan)

Where: Azerbaijan (39.6° N, 45.1° E: paleocoordinates 5.8° S, 40.5° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Khachik Formation, Capitanian (264.3 - 259.5 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lithified, black limestone and lithified mudstone

• Black algal limestone with rare interlayers of sheared argillite.

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 94946: authorized by Matthew Clapham, entered by Matthew Clapham on 01.04.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Strophomenata
 Orthotetida - Meekellidae
Orthothetina azarjani
Orthothetina azarjani Kotlyar 1989
 Productida - Schrenkiellidae
"Baissalosteges kayseri" = Striatospica kayseri
"Baissalosteges kayseri" = Striatospica kayseri Chao 1927
 Productida - Richthofeniidae
Richthofenia caucasica
Richthofenia caucasica Licharew 1928
 Productida - Aulostegidae
Baissalosteges gracilis n. gen. n. sp.
Baissalosteges gracilis n. gen. n. sp. Kotlyar 1989
Trilobita
 Proetida - Phillipsiidae
Pseudophillipsia aff. armenica
Pseudophillipsia aff. armenica Weber 1944 trilobite
Tubothalamea
 Miliolida - Cornuspiridae
Hemigordius (Midiella) irregulariformis