| australia | new south wales | macropostrongyloides baylisi | species | 5 | 0 |
| australia | northern territory | macropostrongyloides baylisi | species | 1 | 0 |
| australia | queensland | macropostrongyloides baylisi | species | 8 | 1 |
| australia | south australia | macropostrongyloides baylisi | species | 0 | 1 |
| australia | victoria | macropostrongyloides baylisi | species | 2 | 0 |
| australia | western australia | macropostrongyloides baylisi | species | 3 | 0 |