Poecilia formosa (Girard, 1859)
| Catalogue of the fresh-water fishes of Central America and southern Mexico C H Eigenmann (1893) Proceedings of the United States National Museum 16: 53-60 | |
| EVIDENCE FOR THE EXISTENCE OF HOMOZYGOUS CLONES IN THE SELF-FERTILIZING HERMAPHRODITIC TELEOST RIVULUS MARMORATUS (POEY) Klaus D Kallman and Robert W Harrington (1964) Biol Bull 126: 101-114 | |
| Tetraploidy in a hybrid lizard of the genus Cnemidophorus (Teiidae) W B Neaves (1971) Breviora 381: 1-25 |