Authors	Year	Title
Klug	2001	Early Emsian ammonoids from the eastern Anti-Atlas (Morocco) and their succession. Paläontologische Zeitschrift, 74: 479-515, 21 figs., Stuttgart.
Klug, Meyer & Richter	2008	Soft-tissue imprints in fossil and Recent cephalopod septa and septum formation. [Klug,C., Meyer, E.P., Richter, U. & Korn, D.] Lethaia 10/1111, 1-16, 10 fig., 1 tab.
Korn & Klug	2002	Ammoneae Devonicae. In: Fossilium Catalogus, I: Animalia (edit. Riegraf,W.), Pars 138: 375 p., 238 fig., 4 tab., Leiden (Backhuys Publ.).