1. Das “Taghanic-Event” im höheren Mittel-Devon von West-Europa und Marokko;Aboussalam;Münstersche Forschungen zur Geologie und Paläontologie,2003
2. The base of the hermanni Zone as the base of an Upper Givetian substage;Aboussalam;Subcommission on Devonian Stratigraphy Newsletter,2002
3. New upper Givetian to basal Frasnian conodont faunas from the Tafilalt (Anti-Atlas, Southern Morocco);Aboussalam;Geological Quarterly,2007
4. The global Taghanic Biocrisis (Givetian) in the eastern Anti-Atlas, Morocco;Aboussalam;Palaeogeography, Palaeoclimatology, Palaeoecology,2011
5. Lower and Middle Devonian radiolarian biozonation of the Gamilaroi terrane, New England Orogen, eastern Australia;Aitchison;Micropaleontology,1999