1. The ammonite sequence in the Agrio Formation (Lower Cretaceous), Neuquén Basin, Argentina;Aguirre-Urreta;Geological Magazine,1997
2. Lower Cretaceous (Berriasian–Aptian) biostratigraphy of the Neuquén Basin;Aguirre-Urreta,2005
3. The Lower Cretaceous Chañarcillo and Neuquén Andean basins: ammonoid biostratigraphy and correlations;Aguirre-Urreta;Geological Journal,2007
4. Mega invertebrados del Cretácico y su importancia bioestratigráfica;Aguirre-Urreta,2011
5. Some new species of the subfamily ‘Leptoceratoidinae’ (Ancyloceratinae, Ammonoidea) in uppermost Hauterivian and lower Barremian deposits from Rumania;Avram;Scripta Geologica,1999