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.
Korn, Ebbighausen & Bockwinkel 2003 The A-mode sutural ontogeny in prolecanitids ammonoids. [Korn,D., Ebbighausen,V., Bockwinkel,J. & Klug,C.]
Palaeontology 46 (6): 1123-1132, 8 fig., London.