Authors	Year	Title
Becker	1995	Taxonomy and Evolution of Late Famennian Tornocerataceae (Ammonoidea). Berliner geowissenschaftliche Abhandlungen, E 16: 607-643, 10 text-figs., 3 pls., Berlin.
Bogoslovsky	1971	Devonskie ammonoidei. II. Goniatity. Trudy paleont. Inst.Akad. Nauk SSSR, 127: 1-228, fig.1-67, pl.1-19; Moskva.
Petter	1959	Goniatites dévoniennes du Sahara. Publ. Serv. Carte géol. Algérie, n.s., Paléont., 2: 1-313, fig.1-58, pl.1-26; Alger.