Oesophagostomum columbianum
- kingdom: Animalia
- phylum: Nematoda
- class: Secernentea
- order: Strongylida
- family: Strongylidae
- genus: Oesophagostomum
- species: Oesophagostomum columbianum
Mayagüez
Mayaguez
Puerto RicoLittle Canada
Vadnais Heights
Minnesota
United States