| heligmosomoides polygyrus | apodemus flavicollis | Canada | Apodemus flavicollis | 11494204 |
| heligmosomoides polygyrus | apodemus flavicollis | Canada | Apodemus flavicollis | 11494187 |
| heligmosomoides polygyrus | apodemus flavicollis | Canada | Apodemus flavicollis | 11494162 |