| Referência no. | Descrição | Ano | Nome utilizado | Página |
|---|---|---|---|---|
| 119412 | Mattos, J.L. and W.J.E.M. Costa, 2018. Three new species of the 'Geophagus' brasiliensis species group from the northeast Brazil (Cichlidae, Geophagini). OrinoZoosyst. Evol. 94(2):325-337. | 2018 | Geophagus santosi | 9;fig.5-6;tab.4 |
| 128868 | Beolens, B., M. Grayson and M. Watkins, 2023. Eponym dictionary of Fishes. Dunbeath, Caithness (Scotland, UK): Whittles Publishing Limited, 1300 p. | 2023 | Geophagus santosi | 1148 |