| austria | tyrol | neocallimastix frontalis | species | 8 | 0 |
| china | | neocallimastix frontalis | species | 1 | 0 |
| china | | neocallimastix sp. jb-1999 | species | 1 | 0 |
| china | | uncultured neocallimastix | species | 8 | 0 |
| china | qinghai | neocallimastix frontalis | species | 0 | 1 |
| china | shandong | uncultured neocallimastix | species | 1 | 0 |
| czech republic | | uncultured neocallimastix | species | 2 | 0 |
| france | | neocallimastix frontalis | species | 1 | 0 |
| germany | | neocallimastix cameroonii | species | 60 | 0 |
| germany | | neocallimastix frontalis | species | 291 | 0 |
| germany | bavaria | neocallimastix frontalis | species | 1 | 0 |
| india | | neocallimastix sp. 1 brl-1 | species | 1 | 0 |
| india | | neocallimastix sp. 2 brl-2 | species | 1 | 0 |
| india | | neocallimastix sp. 3 grl-1 | species | 1 | 0 |
| india | | neocallimastix sp. 4 grl-2 | species | 1 | 0 |
| india | | neocallimastix sp. 5 grl-3 | species | 1 | 0 |
| india | | neocallimastix sp. 6 grl-4 | species | 1 | 0 |
| india | | neocallimastix sp. 7 gfm-1 | species | 1 | 0 |
| india | | neocallimastix sp. 8 gfm-2 | species | 1 | 0 |
| india | | neocallimastix sp. a brl-1 | species | 1 | 0 |
| india | | neocallimastix sp. b brl-2 | species | 1 | 0 |
| india | | neocallimastix sp. c grl-1 | species | 1 | 0 |
| india | | neocallimastix sp. d grl-2 | species | 1 | 0 |
| india | | neocallimastix sp. e grl-3 | species | 1 | 0 |
| india | | neocallimastix sp. f grl-4 | species | 1 | 0 |
| india | | neocallimastix sp. g gfm-1 | species | 1 | 0 |
| india | | neocallimastix sp. h gfm-2 | species | 1 | 0 |
| india | punjab | neocallimastix sp. cf 17 | species | 2 | 0 |
| iran | | neocallimastix sp. aib01-6 | species | 1 | 0 |
| iran | | neocallimastix sp. aib01-7 | species | 1 | 0 |
| iran | | neocallimastix sp. aib01-8 | species | 1 | 0 |
| malaysia | | neocallimastix frontalis | species | 2 | 0 |
| malaysia | | neocallimastix patriciarum | species | 1 | 0 |
| malaysia | | neocallimastix sp. jb-1999 | species | 3 | 0 |
| new zealand | | neocallimastix frontalis | species | 2 | 0 |
| switzerland | | neocallimastix frontalis | species | 4 | 0 |
| taiwan | | neocallimastix frontalis | species | 1 | 0 |
| taiwan | | neocallimastix patriciarum | species | 18 | 0 |
| taiwan | | neocallimastix sp. w-1 | species | 1 | 0 |
| turkey | kahramanmaras province | neocallimastix sp. gmlf1 | species | 1 | 0 |
| united kingdom | | neocallimastix frontalis | species | 1 | 0 |
| united kingdom | | neocallimastix hurleyensis | species | 1 | 0 |
| united kingdom | england | neocallimastix cameroonii | species | 2 | 0 |
| united states | california | neocallimastix sp. ks-2015 | species | 1 | 0 |