Authors Year Title
Conrad 1984 Les séries Carbonifères du Sahara Central Algérien. Stratigraphie, sédimentation, évolution structurale.
Université dÀix Marseille, Thèse de Doctorat d'Etat ès-Sciences naturelles, 370, 69 figs., 34 tabs., 11 pls.
Foord & Crick 1897 Catalogue of the fossil Cephalopoda in the British Museum (Natural History). Part III, containing the Bactritidae and part  of the Suborder Ammonoidea).
pp.I-XXXIII, 1-303, 145 figs., London.
Hall 1860 Notes and observations upon fossils of the goniatite limestone in the Marcellus Shale of the Hamilton group, in the eastern and central parts of the State of New York, and those of the goniatite bed.
Annual Report New York State Cab. Nat. Hist., 13: 95-112, 125;
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.
Higgins & Wagner-Gentis 1982 Conodonts, goniatites and the biostratigraphy of the earlier Carboniferous from the Cantabrian Mountains, Spain.
Palaeontology, 25 (2): 313-350, fig.1-16, pl.34-36; London.
Lineback 1963 Age of the Rockford cephalopod fauna (Mississippian) of southern Indiana.
Journal of Paleontology, 37 (4): 939-942, 1fig.; Tulsa,Oklahoma.
Miller 1947 A goniatite from the Mississippian Boone formation of Missouri.
L. Paleont., 21: 19-21, pl.10; Tulsa, Oklahoma.
Miller & Collinson 1951 Lower Mississippian ammonoids of Missouri.
Journal of Paleontology, 25: 454-487, fig.1-14, pl.68-71; Tulsa, Oklahoma.
Miller & Garner 1955 Lower Mississippian cephalopods of Michigan. Part III. Ammonoids and summary.
Contributions, Museum of Paleontology. Univ. Michigan, 12: 113-173, fig.1-16, pl.1-7; Michigan.
Miller & Furnish 1958 Goniatites of the Burlington Limestone of Missouri.
Journal of Paleontology, 32 (2): 269-274, fig.1-5, pl.35; Tulsa, Oklahoma.
Pareyn 1961 Les Massifs Carbonifères du Sahara Sud-Oranais. Tome II. Paléontologie stratigraphique.
Publications Centre Rech. Sahariennes, Ser. Géologie, 1: 1-244, fig.1-27, pl.1-28; Paris.
Schmidt 1929 Tierische Leitfossilien des Karbon.
Gürich,G.: Leitfossilien, 6. Lief.: 1-107, pl.1-23; Berlin (Borntraeger).
Smith 1903 The Carboniferous Ammonoids of America.
Monography, U.S. geological Survey, 42: 1-211, pl.1-29; Washington.