Poecilia formosa (Girard, 1859)
| A synopsis of the fishes of North America C F In Jordan Lütken and C H Gilbert (1882) Bulletin of the United States National Museum 16: 1-1018 | |
| A revision of the Cyprinodont fishes of the sub-family Poecilunae C Tate Regan (1913) Proceedings of The Zoological Society of London 1913: 977-1018 | |
| A new catalogue of the fresh-water fishes of Panama S F Hildebrand (1938) Field Museum of Natural History Publications Zoological Series 22: 219-359 |