Zeradina
Zeradina is a genus of gastropods belonging to the family Vanikoridae. The species of this genus are found in New Zealand and Northern America. Species:

Zeradina aculeata 
Zeradina costellata 
Zeradina esculenta 
Zeradina fedosovi 
Zeradina jocelynae 
Zeradina odhneri 
Zeradina ovata 
Zeradina parva 
Zeradina plicifera 
Zeradina producta 
Zeradina translucida

References

Vanikoridae