| australia | | mesocoelium sp. australia-po-2003 | species | 1 | 0 |
| guatemala | | mesocoelium sp. guatemala | species | 1 | 0 |
| mexico | veracruz-llave | parabrachycoelium longicaecum | species | 36 | 0 |
| ukraine | | brachycoelium salamandrae | species | 1 | 0 |
| united states | indiana | brachycoelium salamandrae | species | 0 | 1 |