Abstract: Fifteen ammonoid assemblages can be distinguished in the Tournaisian and Viséan succes-
sion of Morocco and Algeria; these are (in ascending order): Gattendorfia-Eocanites Assemblage,
Gattendorfia-Kahlacanites Ass., Goniocyclus-Protocanites Ass., Acrocanites-Kazakhstania Ass.,
Pericyclus-Progoniatites Ass., Ammonellipsites-Merocanites Ass., lower Bollandites-Bollandoceras
Ass., upper Bollandites-Bollandoceras Ass., Entogonites-Maxigoniatites Ass., Goniatites tympanus
Ass., Goniatites rodioni Ass., Goniatites gerberi  Ass., Dombarites granofalcatus Ass., Platygonia-
tites rhanemensis Ass., and Ferganoceras torridum Ass.  Several of these faunal complexes can be
subdivided into species zones, which can be correlated with amraonoid successions in other regions
such as Central Europe.  The new family Acrocanitidae is erected and placed in the Prionoceratoidea.
Additional new,taxa are Acrocanites smidensis n. sp., Jdaidites serpentinus n. gen. n. sp., Beyricho-
ceras merzougense n. sp., and Goniatites tympanus n. sp.