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.
Ehiro & Misaki 2005 Middle Permian ammonoids from the Kamiyasse-Imo district in the Southern Kitakami Massif, Northeast Japan.
Paleontological Research, 9: 1-14, 9 fig.
Glenister & Furnish 1988 Patterns in stratigraphic distribution of Popanocerataceae, Permian ammonoids.
Senckenbergiana lethaea, 69: 43-71, 10 text-figs., 4 pls., 2 tabl., Frankfurt.
Hayasaka 1947 A Permian Cephalopod Faunule from Chekiang Province, China.
Acta Geologica Taiwanica, 1 (1): 13-37, 5 figs., pls.1-2.
Liang 1982 Some Early Permian ammonoids from Jilin and Nei Monggol.
Acta Paleontologica Sinica, 21 (6): 645-658, fig.1-12, pl.1-3; Beijing.
Nassichuk 1977 Upper Permian ammonoids from the Cache Creek Group in Western Canada.
Journal of Paleontology, 51 (3): 557-590, fig.1-20, tab.1-7, pl.1-3; Tulsa, Okla.
Sheng 1988b Late Lower Permian ammonoids of the Langcuo Formation from Angren district South Xizang (Tibet).
Tectonic evolution of the lithosphere of the Himalayas: 149-180, fig.1-14, pl.1-5; Beijing.
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.
Zhao 1980 Origin, classification, evolution and distribution of the family Cyclolobidae.
Acta Paleontologica Sinica, 19 (2): 79-90, fig.1-5, tab.1-2; Beijing.