| argentina | la pampa province | oesophagostomum venulosum | species | 0 | 1 |
| australia | | oesophagostomum columbianum | species | 1 | 0 |
| australia | | oesophagostomum venulosum | species | 1 | 0 |
| australia | new south wales | oesophagostomum radiatum | species | 0 | 2 |
| australia | new south wales | oesophagostomum venulosum | species | 0 | 1 |
| australia | queensland | oesophagostomum radiatum | species | 4 | 3 |
| australia | queensland | oesophagostomum venulosum | species | 0 | 1 |
| australia | south australia | oesophagostomum radiatum | species | 0 | 1 |
| australia | victoria | oesophagostomum columbianum | species | 0 | 1 |
| australia | victoria | oesophagostomum radiatum | species | 0 | 1 |
| australia | victoria | oesophagostomum venulosum | species | 0 | 1 |
| austria | | oesophagostomum dentatum | species | 3 | 0 |
| austria | salzburg | oesophagostomum sikae | species | 0 | 1 |
| austria | salzburg | oesophagostomum venulosum | species | 0 | 1 |
| bangladesh | | oesophagostomum columbianum | species | 1 | 0 |
| brazil | mato grosso | oesophagostomum radiatum | species | 0 | 1 |
| brazil | mato grosso do sul | oesophagostomum radiatum | species | 0 | 1 |
| brazil | minas gerais | oesophagostomum radiatum | species | 0 | 1 |
| brazil | paraiba | oesophagostomum columbianum | species | 0 | 1 |
| brazil | pernambuco | oesophagostomum columbianum | species | 0 | 2 |
| brazil | rio grande do sul | oesophagostomum radiatum | species | 0 | 1 |
| brazil | santa catarina | oesophagostomum radiatum | species | 0 | 1 |
| brazil | sao paulo | oesophagostomum columbianum | species | 0 | 1 |
| bulgaria | stara zagora province | oesophagostomum venulosum | species | 0 | 1 |
| cameroon | | oesophagostomum bifurcum | species | 6 | 0 |
| cameroon | | oesophagostomum stephanostomum | species | 21 | 0 |
| china | | oesophagostomum (conoveberia) sp. jsl-2010 | species | 1 | 0 |
| china | | oesophagostomum asperum | species | 68 | 0 |
| china | | oesophagostomum columbianum | species | 1 | 0 |
| china | | oesophagostomum sp. nmg-2010 | species | 1 | 0 |
| china | chongqing | oesophagostomum dentatum | species | 22 | 0 |
| china | chongqing | oesophagostomum quadrispinulatum | species | 32 | 0 |
| china | guangdong | oesophagostomum dentatum | species | 34 | 0 |
| china | guangdong | oesophagostomum quadrispinulatum | species | 4 | 0 |
| china | guangxi | oesophagostomum bifurcum | species | 3 | 0 |
| china | heilongjiang | oesophagostomum columbianum | species | 8 | 1 |
| china | heilongjiang | oesophagostomum dentatum | species | 11 | 0 |
| china | hunan | oesophagostomum asperum | species | 15 | 2 |
| china | hunan | oesophagostomum dentatum | species | 51 | 1 |
| china | hunan | oesophagostomum quadrispinulatum | species | 1 | 0 |
| china | shaanxi | oesophagostomum asperum | species | 75 | 1 |
| democratic republic of the congo | | oesophagostomum bifurcum | species | 2 | 0 |
| democratic republic of the congo | | oesophagostomum stephanostomum | species | 28 | 0 |
| democratic republic of the congo | province orientale | oesophagostomum columbianum | species | 0 | 1 |
| democratic republic of the congo | province orientale | oesophagostomum multifoliatum | species | 0 | 1 |
| denmark | | oesophagostomum dentatum | species | 7 | 0 |
| denmark | | oesophagostomum quadrispinulatum | species | 1 | 0 |
| egypt | qalyubia governorate | oesophagostomum venulosum | species | 0 | 1 |
| ethiopia | southern nations, nationalities, and people's region | oesophagostomum columbianum | species | 0 | 1 |
| france | | oesophagostomum venulosum | species | 3 | 0 |
| france | centre region | oesophagostomum sikae | species | 51 | 0 |
| france | centre region | oesophagostomum venulosum | species | 1 | 1 |
| france | champagne-ardenne region | oesophagostomum radiatum | species | 6 | 0 |
| france | champagne-ardenne region | oesophagostomum sikae | species | 81 | 0 |
| france | champagne-ardenne region | oesophagostomum venulosum | species | 3 | 0 |
| france | ile-de-france region | oesophagostomum sikae | species | 3 | 0 |
| france | ile-de-france region | oesophagostomum venulosum | species | 3 | 0 |
| france | rhone-alpes region | oesophagostomum venulosum | species | 1 | 0 |
| french polynesia | | oesophagostomum columbianum | species | 0 | 1 |
| gabon | | oesophagostomum stephanostomum | species | 7 | 0 |
| germany | bavaria | oesophagostomum venulosum | species | 0 | 1 |
| germany | lower saxony | oesophagostomum dentatum | species | 64256 | 0 |
| ghana | | oesophagostomum bifurcum | species | 10 | 0 |
| ghana | central region | oesophagostomum bifurcum | species | 0 | 1 |
| ghana | northern region | oesophagostomum bifurcum | species | 11 | 17 |
| ghana | northern region | oesophagostomum dentatum | species | 0 | 1 |
| ghana | upper east region | oesophagostomum dentatum | species | 0 | 1 |
| ghana | upper east region | oesophagostomum quadrispinulatum | species | 0 | 1 |
| india | | oesophagostomum columbianum | species | 1 | 0 |
| india | haryana | oesophagostomum columbianum | species | 0 | 1 |
| india | jammu and kashmir | oesophagostomum columbianum | species | 0 | 2 |
| india | kerala | oesophagostomum columbianum | species | 18 | 0 |
| india | kerala | oesophagostomum radiatum | species | 2 | 0 |
| ireland | | oesophagostomum venulosum | species | 1 | 0 |
| italy | piemonte region | oesophagostomum venulosum | species | 0 | 2 |
| japan | | oesophagostomum aculeatum | species | 4 | 0 |
| japan | shiga prefecture | oesophagostomum aculeatum | species | 0 | 1 |
| japan | shiga prefecture | oesophagostomum cf. aculeatum oa1-macaque | species | 1 | 0 |
| japan | yamaguchi prefecture | oesophagostomum asperum | species | 1 | 0 |
| japan | yamanashi prefecture | oesophagostomum asperum | species | 1 | 0 |
| japan | yamanashi prefecture | oesophagostomum sikae | species | 1 | 0 |
| kenya | | oesophagostomum bifurcum | species | 1 | 0 |
| kenya | central province | oesophagostomum radiatum | species | 0 | 2 |
| laos | savannakhet province | oesophagostomum sp. mos-2014 | species | 3 | 0 |
| maldives | | oesophagostomum columbianum | species | 0 | 1 |
| mauritania | gorgol region | oesophagostomum columbianum | species | 0 | 1 |
| mozambique | maputo city | oesophagostomum columbianum | species | 0 | 1 |
| mozambique | maputo province | oesophagostomum columbianum | species | 0 | 1 |
| new zealand | | oesophagostomum venulosum | species | 5 | 0 |
| nigeria | imo | oesophagostomum columbianum | species | 0 | 1 |
| nigeria | oyo | oesophagostomum columbianum | species | 0 | 1 |
| nigeria | plateau | oesophagostomum dentatum | species | 0 | 1 |
| nigeria | plateau | oesophagostomum multifoliatum | species | 0 | 1 |
| nigeria | rivers | oesophagostomum dentatum | species | 0 | 1 |
| nigeria | sokoto | oesophagostomum columbianum | species | 0 | 1 |
| nigeria | sokoto | oesophagostomum radiatum | species | 0 | 1 |
| poland | pomorskie province | oesophagostomum venulosum | species | 0 | 1 |
| solomon islands | | oesophagostomum radiatum | species | 0 | 1 |
| south africa | | oesophagostomum bifurcum | species | 5 | 0 |
| south africa | gauteng province | oesophagostomum quadrispinulatum | species | 0 | 1 |
| south africa | limpopo province | oesophagostomum radiatum | species | 0 | 2 |
| sri lanka | western province | oesophagostomum columbianum | species | 0 | 1 |
| tanzania | | oesophagostomum bifurcum | species | 14 | 0 |
| tanzania | | oesophagostomum stephanostomum | species | 4 | 0 |
| tanzania | iringa region | oesophagostomum radiatum | species | 0 | 2 |
| thailand | | oesophagostomum dentatum | species | 4 | 0 |
| thailand | kanchanaburi province | oesophagostomum aculeatum | species | 0 | 1 |
| togo | | oesophagostomum bifurcum | species | 0 | 12 |
| togo | | oesophagostomum columbianum | species | 0 | 1 |
| togo | | oesophagostomum dentatum | species | 0 | 1 |
| tonga | | oesophagostomum columbianum | species | 0 | 1 |
| tonga | tongatapu | oesophagostomum columbianum | species | 0 | 1 |
| tunisia | | oesophagostomum venulosum | species | 3 | 0 |
| turkey | afyonkarahisar province | oesophagostomum venulosum | species | 0 | 1 |
| uganda | | oesophagostomum bifurcum | species | 26 | 0 |
| uganda | | oesophagostomum sp. 118 | species | 1 | 0 |
| uganda | | oesophagostomum sp. 153 | species | 1 | 0 |
| uganda | | oesophagostomum sp. 154 | species | 1 | 0 |
| uganda | | oesophagostomum sp. 175 | species | 1 | 0 |
| uganda | | oesophagostomum sp. 176 | species | 1 | 0 |
| uganda | | oesophagostomum sp. 177 | species | 1 | 0 |
| uganda | | oesophagostomum sp. 178 | species | 1 | 0 |
| uganda | | oesophagostomum sp. 194 | species | 1 | 0 |
| uganda | | oesophagostomum sp. 201 | species | 1 | 0 |
| uganda | | oesophagostomum sp. 202 | species | 1 | 0 |
| uganda | | oesophagostomum sp. 217 | species | 1 | 0 |
| uganda | | oesophagostomum sp. 252 | species | 1 | 0 |
| uganda | | oesophagostomum sp. 253 | species | 1 | 0 |
| uganda | | oesophagostomum sp. 261 | species | 1 | 0 |
| uganda | | oesophagostomum sp. 262 | species | 1 | 0 |
| uganda | | oesophagostomum sp. 264 | species | 1 | 0 |
| uganda | | oesophagostomum sp. 43 | species | 1 | 0 |
| uganda | | oesophagostomum sp. 71 | species | 1 | 0 |
| uganda | | oesophagostomum sp. 97 | species | 1 | 0 |
| uganda | | oesophagostomum sp. 98 | species | 1 | 0 |
| uganda | | oesophagostomum sp. h11 | species | 1 | 0 |
| uganda | | oesophagostomum sp. h24 | species | 1 | 0 |
| uganda | | oesophagostomum sp. h25 | species | 1 | 0 |
| uganda | | oesophagostomum sp. h30 | species | 1 | 0 |
| uganda | | oesophagostomum sp. h34 | species | 1 | 0 |
| uganda | | oesophagostomum sp. h40 | species | 1 | 0 |
| uganda | | oesophagostomum stephanostomum | species | 38 | 0 |
| uganda | western region | oesophagostomum bifurcum | species | 7 | 0 |
| uganda | western region | oesophagostomum sp. mc-2015 | species | 1 | 0 |
| uganda | western region | oesophagostomum stephanostomum | species | 9 | 0 |
| united kingdom | england | oesophagostomum dentatum | species | 0 | 1 |
| united kingdom | england | oesophagostomum quadrispinulatum | species | 0 | 2 |
| united kingdom | scotland | oesophagostomum radiatum | species | 0 | 1 |
| united states | | oesophagostomum radiatum | species | 15 | 0 |
| united states | california | oesophagostomum quadrispinulatum | species | 0 | 1 |
| united states | california | oesophagostomum venulosum | species | 0 | 2 |
| united states | georgia | oesophagostomum radiatum | species | 0 | 2 |
| united states | louisiana | oesophagostomum radiatum | species | 0 | 1 |
| united states | maine | oesophagostomum radiatum | species | 0 | 1 |
| united states | mississippi | oesophagostomum radiatum | species | 0 | 1 |
| united states | new jersey | oesophagostomum radiatum | species | 0 | 1 |
| united states | oregon | oesophagostomum venulosum | species | 0 | 1 |
| united states | texas | oesophagostomum dentatum | species | 0 | 1 |
| united states | texas | oesophagostomum venulosum | species | 0 | 1 |
| united states | virginia | oesophagostomum venulosum | species | 0 | 1 |
| united states | washington | oesophagostomum radiatum | species | 0 | 1 |
| united states | west virginia | oesophagostomum venulosum | species | 0 | 1 |
| vietnam | ha noi city | oesophagostomum dentatum | species | 0 | 1 |