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 (254.2 - 252.2 Ma)
• member-level stratigraphic resolution
Environment/lithology: marine; lithified lithology not reported
Size class: macrofossils
Preservation: mold/impression
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 116753: authorized by Matthew Clapham, entered by Matthew Clapham on 11.09.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
Anthozoa | |
"Pleramplexus minimus" = Pentamplexus minimum
"Pleramplexus minimus" = Pentamplexus minimum Iljina 1965 horn coral | |
"Plerophyllum differentiatum" = Ufimia differentiata, "Plerophyllum armenicum" = Ufimia differentiata, "Plerophyllum dzhulfense" = Cryptophyllum leptoconicum
"Plerophyllum differentiatum" = Ufimia differentiata Ilina 1962 horn coral
"Plerophyllum armenicum" = Ufimia differentiata Ilina 1962 horn coral
"Plerophyllum dzhulfense" = Cryptophyllum leptoconicum Abich 1878 horn coral | |
Cephalopoda | |
Syringonautilus vagus n. sp.
Syringonautilus vagus n. sp. Shimansky 1965 nautiloid | |
Strophomenata | |
Orthothetina sp. Schellwien 1900 | |
Spinomarginifera pygmaea Sarycheva 1965 | |
Haydenella minuta Sarycheva 1965 | |
Rhynchonellata | |
Enteletes dzhagrensis Sokolskaja 1965 | |
"Araxathyris minor" = Transcaucasathyris minor
"Araxathyris minor" = Transcaucasathyris minor Grunt 1965 | |
Ascidiacea | |
"Khmeria pumila" = Khmeria problematica
"Khmeria pumila" = Khmeria problematica Mansuy 1914 sea squirt |