Ganula


Ganula is a genus of gastropods belonging to the family Hygromiidae. The species of this genus are found in Mediterranean. The shells are usually small, yellowish, and opaque, with five or five-and-a-half whorls. Specifically, the genus is defined by a genital duct with a very short proximal vagina, and certain other features, such as microstructures on the shell. Species

Ganula gadirana  
G. gadirana was described from far southern Spain. Some specimens were recorded "intensively parasitized by small nematodes". Ganula lanuginosa  
The species has been recorded as a host of Angiostrongylus cantonensis, a parasitic nematode. References

Hygromiidae