1. As a result, Trichuris species distinction is still largely based on morphological differences. 2. As recently as the 1940s, many were infected with smaller whipworms ( Trichuris trichuria ). 3. The first edit of User : Trichuris trichiura was in support of by User : Leontopodium alpinum. 4. British scientists found in the man's colon the eggs of a parasitic whipworm, Trichuris trichiura. 5. Researchers are currently facing difficulties completely differentiating the numerous species under the " Trichuris " genus. 6. They both come belong the " Trichuris " genus that are roundworms also known as whipworms. 7. "Necator americanus " has been proposed as an alternative to " Trichuris suis " in helminthic therapy. 8. The FDA has granted pig whipworm ( Trichuris suis ) the status of Investigational New Drug, allowing clinical trials in humans. 9. Information regarding the species'general life cycle and egg development can be seen in the " Trichuris " page. 10. The genus " Trichuris " is particularly well known for being a common parasite of domestic animals and less usually humans.