1. Nomina systematica generum molluscorum tam viventium quam fossilium;Agassiz,1846
2. Hemihoplitid Ammonoids from the Austral Basin of Argentina and Chile;Aguirre-Urreta;Abhandlungen der Geologischen Bundesanstalt,2002
3. The Lower Cretaceous Chañarcillo and Neuquén Andean basins: ammonoid biostratigraphy and correlations;Aguirre-Urreta;Geological Journal,2007
4. Ammonoids (Crioceratitinae, Hauterivian) from the Austral Basin, Chile;Aguirre-Urreta;Ameghiniana,2007
5. Lower Cretaceous deposits in California and Oregon;Anderson;Geological Society of America Special Papers,1938