Murine pinworm
- kingdom: Animalia
- phylum: Nematoda
- class: Secernentea
- order: Ascaridida
- family: Oxyuridae
- genus: Syphacia
- species: Syphacia obvelata
Whitehorse
Yukon
CanadaLos Reyes
México
MexicoLittle Canada
Vadnais Heights
Minnesota
United States