| Scientific Name | TSN | Taxon Author | Common Name | Name Source | Usage | Reason (ITIS) | Taxon Rank |
|---|
| Aphyolebias | 646869 | Costa, 1998 | | ITIS | valid | | Genus |
| Austrofundulus | 646804 | Myers, 1932 | | ITIS | valid | | Genus |
| Austrolebias | 646854 | Costa, 1998 | | ITIS | valid | | Genus |
| Campellolebias | 646850 | Vaz-Ferreira and Sierra de Soriano, 1974 | | ITIS | valid | | Genus |
| Cynolebias | 165793 | Steindachner, 1876 | pearlfishes | ITIS | valid | | Genus |
| Cynopoecilus | 165801 | Regan, 1912 | | ITIS | valid | | Genus |
| Gnatholebias | 646863 | Costa, 1998 | | ITIS | valid | | Genus |
| Leptolebias | 646805 | Myers, 1952 | | ITIS | valid | | Genus |
| Maratecoara | 646871 | Costa, 1995 | | ITIS | valid | | Genus |
| Megalebias | 646872 | Costa, 1998 | | ITIS | valid | | Genus |
| Micromoema | 646873 | Costa, 1998 | | ITIS | valid | | Genus |
| Millerichthys | 646874 | Costa, 1995 | | ITIS | valid | | Genus |
| Moema | 646806 | Costa, 1989 | | ITIS | valid | | Genus |
| Nematolebias | 646855 | Costa, 1998 | | ITIS | valid | | Genus |
| Neofundulus | 646807 | Myers, 1924 | | ITIS | valid | | Genus |
| Papiliolebias | 646875 | Costa, 1998 | | ITIS | valid | | Genus |
| Pituana | 646809 | Costa, 1989 | | ITIS | invalid | unavailable, literature misspelling of Pituna | Genus |
| Pituna | 646808 | Costa, 1989 | | ITIS | valid | | Genus |
| Plesiolebias | 646876 | Costa, 1989 | | ITIS | valid | | Genus |
| Pterolebias | 165848 | Garman, 1895 | | ITIS | valid | | Genus |
| Rachovia | 646810 | Myers, 1927 | | ITIS | valid | | Genus |
| Renova | 646878 | Thomerson and Taphorn, 1995 | | ITIS | valid | | Genus |
| Rivulus | 165697 | Poey, 1860 | rivulines | ITIS | valid | | Genus |
| Simpsonichthys | 646879 | Carvalho, 1959 | | ITIS | valid | | Genus |
| Spectrolebias | 646880 | Costa and Nielsen, 1997 | | ITIS | valid | | Genus |
| Stenolebias | 646881 | Costa, 1995 | | ITIS | valid | | Genus |
| Terranatos | 165851 | Taphorn and Thomerson, 1978 | | ITIS | valid | | Genus |
| Trigonectes | 646811 | Myers, 1925 | | ITIS | valid | | Genus |
