Dorasham 2, Ali Bashi Formation (Permian of Azerbaijan)

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)

• 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. 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 97207: authorized by Matthew Clapham, entered by Matthew Clapham on 19.07.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Anthozoa
 Stauriida - Pentaphyllidae
"Plerophyllum cuneatum n. sp." = Pentaphyllum cuneatum
"Plerophyllum cuneatum n. sp." = Pentaphyllum cuneatum Ilina 1962 horn coral
 Stauriida - Plerophyllidae
"Pleramplexus leptoconicus" = Cryptophyllum leptoconicum, "Plerophyllum differentiatum" = Ufimia differentiata, "Plerophyllum armenicum" = Ufimia differentiata
"Pleramplexus leptoconicus" = Cryptophyllum leptoconicum Abich 1878 horn coral
"Plerophyllum differentiatum" = Ufimia differentiata Ilina 1962 horn coral
"Plerophyllum armenicum" = Ufimia differentiata Ilina 1962 horn coral
Cephalopoda
 Ceratitida - Dzhulfitidae
"Paratirolites dieneri" = Stoyanowites dieneri
"Paratirolites dieneri" = Stoyanowites dieneri Stoyanow 1910 ceratite
Rhynchonellata
 Orthida - Schizophoriidae
Orthotichia parva Sokolskaja 1965
Ostracoda
 Palaeocopida - Amphissitidae
"Amphissites notabilis" = Parahollinella notabilis
"Amphissites notabilis" = Parahollinella notabilis Belousova 1965 ostracod
 Podocopida - Healdiidae
Healdianella splendida n. sp. Belousova 1965 ostracod
Healdianella doraschamensis n. sp. Belousova 1965 ostracod
 Podocopida - Bairdiidae
"Healdia incognita n. sp." = Praezabythocypris incognita, Bairdia subhassi, Bairdia anbeedei, Bairdia armenica n. sp., Bairdia intermedia n. sp., Fabalicypris subgeinitziana n. sp., "Fabalicypris obuncus n. sp." = Fabalicypris obunca, "? Bairdia subglenensis" = Paramacrocypris subglenensis, "? Bairdia pseudoobuncus n. sp." = Paramacrocypris pseudoobuncus
"Healdia incognita n. sp." = Praezabythocypris incognita Belousova 1965 ostracod
Bairdia subhassi Belousova 1965 ostracod
Bairdia anbeedei Belousova 1965 ostracod
Bairdia armenica n. sp. Belousova 1965 ostracod
Bairdia intermedia n. sp. Belousova 1965 ostracod
Fabalicypris subgeinitziana n. sp. Belousova 1965 ostracod
"Fabalicypris obuncus n. sp." = Fabalicypris obunca Belousova 1965 ostracod
"? Bairdia subglenensis" = Paramacrocypris subglenensis Belousova 1965 ostracod
"? Bairdia pseudoobuncus n. sp." = Paramacrocypris pseudoobuncus Belousova 1965 ostracod
 Podocopida - Acratiidae
Acratinella obscura Belousova 1965 ostracod
Chondrichthyes
 Eugeneodontiformes - Helicampodontidae
Helicampodus egloni n. sp. Obruchev 1965 chimaera