Where: Azerbaijan (39.6° N, 45.2° E: paleocoordinates 0.9° S, 38.8° E)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Ali Bashi Formation, Changhsingian (254.2 - 252.2 Ma)
• Paratirolites beds are uppermost Permian unit
• group of beds-level stratigraphic resolution
Environment/lithology: limestone
Size class: macrofossils
Collection methods: Nature of collection unspecified but very likely partially from float and/or encompassing several localities.
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 40942: authorized by David Bottjer, entered by Matthew Clapham on 03.07.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Abichites stoyanowi Kiparisova 1947 ceratite |