Authors Year Title
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.
Haug 1894 Les ammonites du Permien et du Trias. Remarques sur leur classification.
Bulletin de la Societé Géologique de France, 2. ser., 2: 385-412, fig.1-13; Paris.
Miller & Furnish 1940c Permian ammonoids of the Guadalupe Mountain Region and adjacent areas.
Special Papers of the Geological Society of America, 26: 1-242, fig.1-59, pl.1-44; Baltimore.
Termier, Termier & Desparmet 1972 Les Ammonoides du Permien (Kubergandien) de Tezak (Afghanistan central). [Termier,H., Termier,G., Desparmet,R. & Montenat,C.]
Société géologique du Nord, Annales, 92: 105-115, 7 figs., pl.13-17, Lille.
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.).
Vogl 1913 Die Paläodyas von Mrzla-Vodica in Kroatien.
Mitteilungen aus dem Jahrbuch der königlichen ungarischen geologischen Reichsanstalt, 21: 153-168, 5 figs., Budapest.
Zhou 1989 Age of the Longyin Formation in Southwest Guizhou province.
Science in China (ser.B) 32: 1361-1370, 1 fig., 2 tabl., 1 pl.