Phorus

from The Collaborative International Dictionary of English v.0.48

Mineralogist \Min`er*al"o*gist\, n. [Cf. F. min['e]ralogiste.]
   [1913 Webster]
   1. One versed in mineralogy; one devoted to the study of
      minerals.
      [1913 Webster]

   2. (Zool.) A carrier shell ({Phorus}).
      [1913 Webster]