Authors Year Title
Hall 1879 Descriptions of the Gasteropoda, Pteropoda and Cephalopoda of the Upper Helderberg, Hamilton, Portage and Chemung Groups.
Paleontology of New York, 5 (2): 1-492, pl.1-113; Albany.
House & Pedder 1963 Devonian goniatites and stratigraphical correlations in Western Canada.
Palaeontology, 6: 491-539, fig.1-15, pl.70-77; London.
Miller 1938 Devonian ammonoids of America.
Special Papers, Geological Society of America, 14: 1-262, fig.1-41, pl.1-39; Baltimore.
Petter 1959 Goniatites dévoniennes du Sahara.
Publ. Serv. Carte géol. Algérie, n.s., Paléont., 2: 1-313, fig.1-58, pl.1-26; Alger.