Authors Year Title
Korn, Bockwinkel & Ebbighausen 2003 Palaeobiogeographic and evolutionary meaning of an early Late Tournaisian ammonoid fauna from the Tafilalt of Morocco. [D.Korn, J.Bockwinkel, V.Ebbighausen & C.Klug].
Acta Palaeontologica Polonica, 48 (1): 71-92, 32 fig., Warszawa.
Kuzina 1999 Biostratigraphic Distribution of Lower Carboniferous Ammonoids in Northern Russia.
In: Olóriz,F. & Rodríguez-Tovar,F.J., Advancing Research on Living and Fossil Cephalopods, 505-519, 7 figs., New York.
Kuzina 2000 Ammonoidei iz pogranichnykh Turneisko-Vizeiskikh otlozhenii. [Russian, with English summary: Ammonoids from the Boundary Tournaisian-Viséan Beds of the Pai-Khoy and the South Urals].
Paleontologicheskii Zhurnal, 2000 (5): 16-24, 4 figs., pl.1, Moskva.