Anguis, or the slow worm, is a small genus of lizard in the family Anguidae.
From the en.wikipedia.org
Schistosomiasis is caused by a parasitic worm of the genus Schistosoma.
From the sciencedaily.com
Filarial parasites have symbiotic bacteria in the genus Wolbachia, which live inside the worm and which seem to play a major role in both its reproduction and the development of the disease.