Authors Year Title
Böhmers 1936 Bau und Struktur von Schale und Sipho bei permischen Ammonoidea.
1-125, fig.1-67, pl.1-2; Apeldoorn.
Furnish & Glenister 1970 Permian Ammonoid Cyclolobus from the Salt Range, West Pakistan in Kummel,B. & Teichert,C. (eds): Stratigraphic boundary problems: Permian and Triassic of West Pakistan.
University of Kansas Department of Geology Special Publication 4: 153-175, fig.1,2, tab.1,2, pl.1-4.
Haniel 1915 Die Cephalopoden der Dyas von Timor.
In: Wanner,J.: Paläontologie von Timor, 3,6: 1-123, fig.1-38, pl.1-11; Stuttgart.
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.
Smith 1927 Permian ammonoids of Timor.
Jaarboek van het Mijnwezen in Nederlandsch-Indie, 55 (for 1926): 1-58, pl.1-16; 'S Gravenhage.