| argentina | chaco province | heterakis gallinarum | species | 0 | 1 |
| australia | victoria | heterakis gallinarum | species | 1 | 0 |
| bangladesh | | heterakis beramporia | species | 8 | 0 |
| bangladesh | | heterakis gallinarum | species | 52 | 0 |
| bangladesh | chittagong division | heterakis spumosa | species | 0 | 1 |
| botswana | kgatleng district | heterakis gallinarum | species | 0 | 2 |
| brazil | rio de janeiro | heterakis gallinarum | species | 0 | 1 |
| brazil | rio de janeiro | heterakis isolonche | species | 0 | 1 |
| brazil | rio de janeiro | heterakis spumosa | species | 0 | 1 |
| china | | heterakis beramporia | species | 3 | 0 |
| china | | heterakis dispar | species | 1 | 0 |
| china | | heterakis gallinarum | species | 2 | 0 |
| china | | heterakis isolonche | species | 1 | 0 |
| china | guangdong | heterakis gallinarum | species | 2 | 0 |
| china | sichuan | heterakis gallinarum | species | 232 | 1 |
| egypt | aswan governorate | heterakis dispar | species | 1 | 0 |
| ethiopia | amhara region | heterakis gallinarum | species | 0 | 1 |
| germany | lower saxony | heterakis gallinarum | species | 0 | 1 |
| germany | saxony | heterakis gallinarum | species | 0 | 1 |
| ghana | eastern region | heterakis gallinarum | species | 0 | 1 |
| india | | heterakis gallinarum | species | 6 | 0 |
| india | | heterakis sp. n. 35 nj-2013 | species | 2 | 0 |
| india | | heterakis spumosa | species | 1 | 0 |
| india | meghalaya | heterakis gallinarum | species | 0 | 1 |
| iraq | | heterakis gallinarum | species | 4 | 0 |
| italy | south tyrol autonomous region | heterakis gallinarum | species | 0 | 1 |
| japan | iwate prefecture | heterakis spumosa | species | 0 | 1 |
| japan | kanagawa prefecture | heterakis spumosa | species | 2 | 0 |
| japan | miyazaki prefecture | strongyluris calotis | species | 1 | 0 |
| japan | okinawa prefecture | strongyluris calotis | species | 1 | 0 |
| japan | okinawa prefecture | strongyluris sp. bold:aay6339 | species | 5 | 0 |
| japan | tokyo prefecture | heterakis spumosa | species | 1 | 0 |
| kenya | eastern province | heterakis gallinarum | species | 0 | 1 |
| malaysia | kuala lumpur | heterakis spumosa | species | 0 | 1 |
| mexico | | strongyluris similis | species | 2 | 0 |
| mexico | michoacan ocampo | strongyluris sp. bold:aay6339 | species | 1 | 0 |
| poland | | heterakis dispar | species | 7 | 0 |
| poland | | heterakis gallinarum | species | 1 | 0 |
| poland | lower silesia province | heterakis spumosa | species | 0 | 1 |
| poland | pomorskie province | heterakis isolonche | species | 0 | 1 |
| senegal | dakar region | heterakis dahomensis | species | 1 | 0 |
| serbia | central serbia | heterakis spumosa | species | 0 | 1 |
| singapore | | strongyluris calotis | species | 2 | 0 |
| south africa | | heterakis beramporia | species | 4 | 0 |
| south africa | | heterakis gallinarum | species | 14 | 0 |
| south africa | kwazulu-natal province | heterakis gallinarum | species | 0 | 2 |
| south africa | limpopo province | heterakis gallinarum | species | 0 | 1 |
| spain | andalusia | heterakis gallinarum | species | 0 | 1 |
| spain | canary islands | heterakis gallinarum | species | 0 | 1 |
| taiwan | | heterakis spumosa | species | 0 | 2 |
| tanzania | morogoro region | heterakis brevispiculum | species | 0 | 1 |
| tanzania | morogoro region | heterakis gallinarum | species | 0 | 1 |
| thailand | | heterakis spumosa | species | 4 | 0 |
| turkey | samsun province | heterakis gallinarum | species | 0 | 2 |
| turkey | van province | heterakis gallinarum | species | 0 | 1 |
| united kingdom | england | heterakis gallinarum | species | 0 | 1 |
| united kingdom | scotland | heterakis gallinarum | species | 0 | 1 |
| united states | | heterakis gallinarum | species | 7 | 0 |
| united states | | heterakis isolonche | species | 6 | 0 |
| united states | alabama | heterakis gallinarum | species | 0 | 2 |
| united states | arkansas | heterakis gallinarum | species | 0 | 3 |
| united states | california | heterakis isolonche | species | 0 | 1 |
| united states | connecticut | heterakis gallinarum | species | 0 | 1 |
| united states | florida | heterakis gallinarum | species | 0 | 2 |
| united states | florida | heterakis isolonche | species | 0 | 2 |
| united states | illinois | heterakis gallinarum | species | 0 | 1 |
| united states | kentucky | heterakis gallinarum | species | 0 | 1 |
| united states | louisiana | heterakis gallinarum | species | 0 | 1 |
| united states | mississippi | heterakis gallinarum | species | 0 | 1 |
| united states | nebraska | heterakis gallinarum | species | 1 | 0 |
| united states | oregon | heterakis isolonche | species | 0 | 1 |
| united states | tennessee | heterakis gallinarum | species | 0 | 1 |
| united states | virginia | heterakis gallinarum | species | 0 | 1 |
| vietnam | bac kan province | strongyluris calotis | species | 2 | 0 |
| vietnam | phu tho province | strongyluris calotis | species | 1 | 0 |
| zambia | central province | heterakis gallinarum | species | 0 | 1 |