1. Taxonomy and quantitative biochronology of Guadalupian brachiopods from the Khuff Formation, southeastern Oman;Angiolini;Geobios,1999
2. New fossil findings and discovery of conodonts in the Guadalupian of Djebel Tebaga de Medinine. Biostratigraphic implications;Angiolini;Permophiles Newsletter Subcommition of Permian Stratigraphy,2008
3. Diagrammi per la stima visive della composizione percentuale nelle rocce sedimentarie. Annali dell'Università di Ferrara, Nuove Serie, Sezione IX;Baccelle,1965
4. Late palaeozoic provinciality in the marine realm;Bambach,1990
5. On the permian of Coahuila, northern Mexico;Böse;Am. J. Seismol. Sci.,1921