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2. The Ammonites Karakaschiceras and Neohoploceras (Valanginian Neocomitidae) from the Neuquén Basin, West-Central Argentina;Aguirre-Urreta;J. Paleontol.,1998
3. Marine Upper Jurassic–Lower Cretaceous stratigraphy and biostratigraphy of the Aconcagua-Neuquén Basin, Argentina and Chile;Aguirre-Urreta;J. Iber. Geol.,2001
4. The Lower Cretaceous Ammonite Paraspiticeras from the Neuquén basin, West-Central Argentina;Aguirre-Urreta;Neues Jahrb. Geol. Paläontol. Abh.,1993
5. Oosterella (Ammonoidea, early Cretaceous) from the Neuquén Basin, Argentina;Aguirre-Urreta;Neues Jahrb. Geol. Paläontol., Monatsh. H,1996