Authors	Year	Title
DeBaets, Klug & Plusquellec	2010	Zlíchovian faunas with early ammonoids from Morocco and their use for the correlation of the eastern Anti-Atlas and the western Dra Valley Bulletin of Geosciences, 85, issue 2: 317 - 352;
Klug	2001	Early Emsian ammonoids from the eastern Anti-Atlas (Morocco) and their succession. Paläontologische Zeitschrift, 74: 479-515, 21 figs., Stuttgart.
Korn & Klug	2002	Ammoneae Devonicae. In: Fossilium Catalogus, I: Animalia (edit. Riegraf,W.), Pars 138: 375 p., 238 fig., 4 tab., Leiden (Backhuys Publ.).