Authors Year Title
Ehiro & Araki 1997 Permian cephalopods of Kurosawa, Kesennuma City in the Southern Kitakami Massif, Northeast Japan.
Paleontological Research, 1 (1): 55-66, 9 figs., Tokyo.
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.
Furnish 1966 Ammonoids of the Upper Permian Cyclolobus-Zone.
Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen, 125: 265-296, 4 figs., 2 tabl., Stuttgart
Miller 1936b A species of the ammonoid genus Artinskia from the Lower Permian of Kansas.
Journal of Paleontology, 10 (6): 490-496, fig.1-6, pl.73; Tulsa, Oklahoma.
Nassichuk, Furnish & Glenister 1965 The Permian ammonoids from Arctic Canada.
Bulletin of the Geological Survey of Canada, 131: 1-56, fig.1-17, tab.1-7, pl.1-5; Ottawa.
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.
Waagen 1872 On the occurrence of Ammonites, associated with Ceratites, and Goniatites in the Carboniferous deposits of the Salt Range.
Memoir of the Geological Survey India, 9: 351-358, pl.1; Calcutta.
Zakharov & Pavlov 1986 Pervaya nakhodka araksotseratid v permi vostocknoy chasti SSSR.
In: Permo-triasovye sobytnya v razvitii organicheskogo mira Severo-Vostochnoy Azii: DVNTs AN SSSR, 1986: 74-85, fig.1-6, pl.13-14; Vladivostok.