Authors	Year	Title
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.