Authors Year Title
Blendinger, Furnish & Glenister 1992 Permian cephalopod limestones, Oman Mountains: evidence for a Permian seaway along the northern margin of Gondwana.
Palaeogeography, Palaeoclimatology, Palaeoecology, 93: 13-20, 4 figs., Amsterdam.
Frebold 1932 Marines Unterperm in Ostgrönland und die Frage der Grenzziehung zwischen dem pelagischen Oberkarbon und Unterperm.
Medd. Gronld. ud. Komm. vid. und. Gronld., 84 (4): 1-35, fig.1-4, pl.1; Kobnhaven.
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.
Leonova & Dmitriev 1989 Rannepermskie ammonoidei Yugo-Vostochnogo Pamira.
Trudy Paleontologicheskogo Instituta Akademiya Nauk SSSR, 235: 1-198, fig.1-79, pl.1-16; Moskva.
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.
Noetling 1904 Ueber Medlicottia Waag. und Episageceras n.g. aus den permischen und triadischen Schichten Indiens.
Neues Jahrbuch für Mineralogie, Geologie und Paläontologie, Beilage-Band 19: 334-376, pl.17-20; Stuttgart.
Plummer & Scott 1937 Upper Paleozoic ammonites in Texas.
The geology of Texas, vol.3 pt.1, Bull. Texas. Univ., 3701: 1-516, fig.1-88, pl.1-41; Austin, Texas.
Ruzhencev 1949 Sistematika i evolyutsia semeystv Pronoritidae Frech i Medlicottiidae Karpinsky.
Trudy Palentologicheskogo Instituta Akademiya Nauk SSSR, 19: 1-206, fig.1-88, pl.1-17; Moskva.