Trematoda is a class of flatworms known as trematodes, and commonly as flukes. They are obligate internal parasites with a complex life cycle requiring at least two hosts. The intermediate host, in wh
Bulinus
…and their allies. This genus is medically important because several species of Bulinus function as intermediate hosts for the schistosomiasis blood fluke. The shell of species in the genus Bulinus is sinistral. It has a very large body whorl and a small spire…