| Blastocystis agrionemidis | species |
| Blastocystis anatis | species |
| Blastocystis anseri | species |
| Blastocystis bovis | species |
| Blastocystis bufonis | species |
| Blastocystis cercopitheci | species |
| Blastocystis cycluri | species |
| Blastocystis enterocola | species |
| Blastocystis equi | species |
| Blastocystis felis | species |
| Blastocystis galli | species |
| Blastocystis geocheloni | species |
| Blastocystis hominis | species |
| Blastocystis lapemi | species |
| Blastocystis lapemidis | species |
| Blastocystis lemuri | species |
| Blastocystis lessonae | species |
| Blastocystis meleagridis | species |
| Blastocystis numidae | species |
| Blastocystis ovis | species |
| Blastocystis pythoni | species |
| Blastocystis ranarum | species |
| Blastocystis ratti | species |
| Blastocystis sanguisugae | species |
| Blastocystis suis | species |