| Revised stratigraphy of Neogene strata in the Cocinetas basin, La Guajira, Colombia F Moreno, AJW Hendy, L Quiroz, N Hoyos, DS Jones, V Zapata, S Zapata, ... Swiss Journal of Palaeontology 134 (1), 5-43, 2015 | 40 | 2015 |
| A new species of Chaetostoma Tschudi (Siluriformes: Loricariidae) from Colombia with a definition of the C. anale species group GA Ballen Papéis Avulsos de Zoologia 51 (26), 2012 | 14 | 2012 |
| Review of the Andean armored catfishes of the genus Dolichancistrus Isbrücker (Siluriformes: Loricariidae) GA Ballen, RP Vari Neotropical Ichthyology 10 (3), 499-518, 2012 | 12 | 2012 |
| A new trans-Andean Stick Catfish of the genus Farlowella Eigenmann & Eigenmann, 1889 (Siluriformes: Loricariidae) with the first record of the genus for the río … GA Ballen, JI Mojica Zootaxa, 2014 | 8 | 2014 |
| Farlowella mitoupibo, a new species of stick catfish from the upper Guaviare River, Orinoco basin, Colombia (Teleostei: Loricariidae) GA Ballen, A Urbano-Bonilla, JE Zamudio Ichthyological Exploration of Freshwaters 27 (4), 325-332, 2016 | 7 | 2016 |
| Description of a new species of the genus Chaetostoma from the Orinoco River drainage with comments on Chaetostoma milesi Fowler, 1941 (Siluriformes: Loricariidae). GA Ballen, A Urbano-Bonilla, JA Maldonado-Ocampo Zootaxa 4105 (2), 181-197, 2016 | 6 | 2016 |
| Un nuevo caso de alerta sobre posible amenaza a una fauna nativa de anfibios en Colombia: Primer reporte de la rana toro (Lithobates catesbeianus) en la sabana de Bogotá JJ Mueses-Cisneros, G Ballén Revista de la Academia Colombiana de Ciencias 31 (118), 65-166, 2007 | 6 | 2007 |
| A new species of Farlowella (Siluriformes: Loricariidae) of the F. nattereri species-group from the rio Xingu basin, Mato Grosso, Brazil, with comments on Farlowella jauruensis … GA Ballen, MNL Pastana, LAW Peixoto Neotropical Ichthyology 14 (3), 2016 | 4 | 2016 |
| Fishes of the Cusiana River (Meta River basin, Colombia), with an identification key to its species A Urbano-Bonilla, GA Ballen, GA Herrera-R, J Zamudio, ... ZooKeys, 65, 2018 | 3 | 2018 |
| A new species of Farlowella (Siluriformes: Loricariidae) from the upper Bermejo River, La Plata River basin, northwestern Argentina GE Terán, GA Ballen, F Alonso, G Aguilera, JM Mirande Neotropical Ichthyology 17 (2), 2019 | 1 | 2019 |
| Nomenclature of the Sphyraenidae (Teleostei: Carangaria): A synthesis of fossil-and extant-based classification systems GA Ballen Zootaxa 4686 (3), 397-408, 2019 | | 2019 |
| Tooth row variation in tadpoles of Dendropsophus labialis (Anura: Hylidae: Dendropsophini) and the evolution of oral morphology in the genus GA Ballen Caldasia 40 (2), 216-231, 2018 | | 2018 |
| Supplementary material Article 65677. Tooth row variation in tadpoles of Dendropsophus labialis (Anura: Hylidae: Dendropsophini) and the evolution of oral morphology in the genus GA Ballen caldasia 40 (2), 2018 | | 2018 |
| Fishes of the Cusiana River (Meta River basin, Colombia) A Urbano-Bonilla, GA Ballen, G Herrera, JE Zamudio, ... | | |
| LATE NEOGENE FRESHWATER FOSSIL CATFISHES (ACTINOPTERYGII: SILURIFORMES) FROM THE PENÍNSULA DE LA GUAJIRA, COLOMBIA GA BALLEN | | |
