1. “Taghanic Event” im höheren Mittel-Devon von West-Europa and Marokko;Aboussalam;Münst. Forsch. Geol. Paläontol.,2003
2. The global Taghanic Biocrisis (Givetian) in the eastern Anti-Atlas, Morocco;Aboussalam;Palaeogeogr. Palaeoclimatol. Palaeoecol.,2011
3. Effects of the Middle to Late Devonian spread of vascular land plants on weathering regiments, marine biotas, and global climate;Algeo,2001
4. Spore assemblages and their stratigraphical application in the Lower and Middle Devonian of North and Central Vestspitsbergen;Allen;Palaeontology,1967
5. A review of in situ Late Silurian and Devonian spores;Allen;Rev. Palaeobot. Palynol.,1980