Where: Azerbaijan (39.0° N, 45.5° E: paleocoordinates 1.3° S, 39.3° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Ali Bashi Formation, Changhsingian (254.0 - 252.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

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. Trudy Paleontologicheskogo Instituta 108:1-431 [M. Clapham/M. Clapham/M. Clapham] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 97237: authorized by Matthew Clapham, entered by Matthew Clapham on 20.07.2010

Creative Commons license: CC BY-NC-ND (attribution-noncommercial-no derivatives)