Authors Year Title
Davis 1972 Mature modifications and dimorphism in selected Late Paleozoic ammonoids.
Bulletins of American Paleontology, 62 (272): 27-130, pls.3-21, Ithaca, NY.
Diener 1927 Leitfossilien des marinen Perm.
G.Gürich: Leitfossilien, 5: 1-84, fig.1-10, pl.1-14; Berlin (Borntraeger).
Gemmellaro 1887 La Fauna dei Calcari con Fusulina della valle del Fiume Sosio (nella Provincia di Palermo).
Giornale di scienze naturali ed economiche, 19: 1-106, pl.1-10; Palermo.
Tumanskaia 1931 Permo-Karbonovye otlozheniya Kryma. I. Cephalopoda, Ammonoidea. [In Russian, with English extensive summary: The Permo-Carboniferous beds of the Crimea. I. Cephalopoda, Ammonoidea.]
Glavnoe geologo-razvedochnoe upravlenie, Inst.Geol. Karty, Paleont. i stratigr., 1-117, 50 figs., 8 pls., 1 tabl., Moskva-Leningrad (Geol.Izdat.).
Tumanskaia 1937b O predstaviteliakh semeistva Adrianitidae Schindewolf.
Byulleten' Moskovskaia obshchestva ispytatelei prirody, otdelenie geologii, 15 (4): 375-378, fig.1-7; Moskva.
Vasicek & Kullmann 1988 Eine Ammonoideen-Fauna vom Sosio-Typ (Guadalupian, Ober-Perm) aus Kurdistan (Irak).
Palaeontographica, Abt.A, 204 (1-3): 95-115, fig.1-5, pl.1-2; Stuttgart.
Vasicek 1988 Upper Permian Ammonoidea from Kurdistan, NE Iraq.
In: Wiedmann,J. & Kullmann,J. (eds.), Cephalopods - Present and Past, 577-591, 3 pls., 16 figs., Stuttgart.