Conchologist

from WordNet (r) 3.0 (2006)
conchologist
    n 1: a collector and student of mollusc shells
    
from The Collaborative International Dictionary of English v.0.48
Conchologist \Con*chol"o*gist\, n. (Zool.)
   One who studies, or is versed in, conchology.
   [1913 Webster]
    

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