| Miocene vertebrates from Entre Ríos province, eastern Argentina AL Cione, M Azpelicueta, M Bond, AA Carlini, JR Casciotta, MA Cozzuol, ... El Neógeno de Argentina. Serie Correlación Geológica 14, 191-237, 2000 | 277 | 2000 |
| Brazilian freshwater fish assemblages from southern Pampean area, Argentina J Casciotta, A Almirón, A Cione, M Azpelicueta Biogeographica (Paris) 75 (2), 67-78, 1999 | 69 | 1999 |
| A new species of Astyanax (Characiformes, Characidae) from Uruguay river basin in Argentina, with remarks on hook presence in Characidae MM Azpelicueta, JO García Revue suisse de Zoologie 107, 2000 | 56 | 2000 |
| Predation efficiency of indigenous larvivorous fish species on Culex pipiens L. larvae (Diptera: Culicidae) in drainage ditches in Argentina GA Marti, M de las Mercedes Azpelicueta, MC Tranchida, SA Pelizza, ... Journal of vector Ecology 31 (1), 102-106, 2006 | 49 | 2006 |
| Tropical freshwater teleosts from Miocene beds of eastern Patagonia, southern Argentina AL Cione, M de las Mercedes Azpelicueta, JR Casciotta, MT Dozo Geobios 38 (1), 29-42, 2005 | 49 | 2005 |
| Two new species of the genus Astyanax (Characiformes, Characidae) from the Paraná river basin in Argentina MM Azpelicueta, JR Casciotta, AE Almirón Revue suisse de Zoologie 109, 2002 | 48 | 2002 |
| Astyanax pampa (Characiformes, Characidae), a new species from the southernmost boundary of the Brazilian subregion, Argentina JR Casciotta, AE Almirón, MM Azpelicueta Revue suisse de Zoologie 112, 2005 | 41 | 2005 |
| Three East-Andean species of Diplomystes (Siluriformes: Diplomystidae) MM Azpelicueta Ichthyological Exploration of Freshwaters 5 (3), 223-240, 1994 | 39 | 1994 |
| Los curimatidos en Argentina. M Azpelicueta, L Braga Pisces 40, 1991 | 38 | 1991 |
| Peces marinos y continentales del Mioceno del área mesopotámica argentina. Edad y relaciones biogeográficas AL Cione, JR Casciotta, M de las Mercedes AZPELICUETA, MJ Barla, ... Miscelánea 14, 50, 2005 | 36 | 2005 |
| Astyanax paris: A New Species from the Río Uruguay Basin of Argentina (Characiformes, Characidae) MM Azpelicueta, AE Almirón, JR Casciotta Copeia 2002 (4), 1052-1056, 2002 | 36 | 2002 |
| A threatened new species of Oligosarcus and its phylogenetic relationships, with comments on Astyanacinus (Teleostei: Characidae) JM Mirande, G Aguilera, MM Azpelicueta Zootaxa 2994 (1), 1-20, 2011 | 33 | 2011 |
| Astyanax ita sp. n.-a new species from the Río Iguazú basin, in Argentina (Teleostei, Characiformes, Characidae) AE Almirón, M Azpelicueta, JR Casciotta ZOOLOGISCHE ABHANDLUNGEN-STAATLICHES MUSEUM FUR TIERKUNDE IN DRESDEN 52 (1 …, 2002 | 33 | 2002 |
| Morphology, ecology and biogeography of the South American caecilian Chthonerpeton indistinctum (Amphibia: Gymnophiona: Typhlonectidae) E Gudynas, JD Williams, M De Las Mercedes Azpelicueta Zoologische Mededelingen 62 (2), 5-28, 1988 | 33 | 1988 |
| A new species of Astyanax from río Uruguay basin, Argentina (Characiformes: Characidae) JR Casciotta, AE Almirón, M de las Mercedes Azpelicueta Ichthyological Exploration of Freshwaters 14 (4), 329-334, 2003 | 32 | 2003 |
| Geographical distribution of Galaxias maculatus (Jenyns)(Pisces: Osmeriformes: Galaxiidae) in Patagonia M Azpelicueta, A Almirón, A López Cazorla, J Casciotta Biogeographica (Paris) 72 (4), 157-160, 1996 | 31 | 1996 |
| A Miocene Nematogenys (Teleostei: Siluriformes: Nematogenyidae) from south-central Chile MDLM Azpelicueta, A Rubilar Journal of Vertebrate Paleontology 18 (3), 475-483, 1998 | 30 | 1998 |
| Redescription of the Eocene catfish Bachmannia chubutensis (Teleostei: Bachmanniidae) of southern South America MDLM Azpelicueta, AL Cione Journal of Vertebrate Paleontology 31 (2), 258-269, 2011 | 27 | 2011 |
| Pimelodus absconditus, a new species of pimelodid catfish from the La Plata basin (Siluriformes: Pimelodidae) MM Azpelicueta Ichthyol. Exp. Freshwaters 6, 71-76, 1995 | 27 | 1995 |
| A new species of Pimelodus (Siluriformes: Pimelodidae) from the Paraguay and lower Paraná rivers MM Azpelicueta Neotrópica 44, 87-94, 1998 | 26 | 1998 |
