You searched for: “conchadophilist
conchadophile,conchadophilist (s) (noun); conchadophiles; conchadophilists (pl)
A collector of shellcrafts (objects made from sea shells): Stella's mother had a very unique hobby of collecting beautiful items made of seashells, like mirrors, shell jewellery, and figurines, and, as a conchadophilist, she had a huge accumulation of gorgeous objects in her home.