Several, see text
The roundworm family Trichuridae includes as type genus Trichuris often referred to as whipworms (which typically refers to T. trichiura only in human medicine, and to any other species in veterinary medicine). The name whipworm refers to the shape of the worm; they look like whips with wider "handles" at the posterior end. The name Trichocephalus is sometimes used for this genus.
The genus Trichuris includes several species which infect the large intestine of their host, including:
- Trichuris campanula (cat whipworm)
- Trichuris suis (pig whipworm)
- Trichuris muris (mouse whipworm)
- Trichuris trichiura (sometimes Trichocephalus trichiuris) - causes trichuriasis
- Trichuris vulpis (dog whipworm)