| neocallimastix frontalis | species | eukaryota | plants | species | 4757 |
| neocallimastix patriciarum | species | eukaryota | plants | species | 4758 |
| neocallimastix sp. jb-1999 | no rank | eukaryota | plants | species | 105132 |
| neocallimastix sp. w-1 | no rank | eukaryota | plants | species | 183714 |