crustaceology

from The Collaborative International Dictionary of English v.0.48

Crustaceology \Crus*ta`ce*ol"o*gy\ (-j?), n. [Crustacea +
   -logy.]
   That branch of Zoology which treats of the Crustacea;
   malacostracology; carcinology.
   [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

Carcinology \Car`ci*nol"o*gy\ (k[aum]r`s[i^]*n[o^]l"[-o]*j[y^]),
   n. [Gr. karki`nos a crab + -logy.] (Zool.)
   The department of Zoology which treats of the Crustacea
   (lobsters, crabs, etc.); -- called also {malacostracology}
   and {crustaceology}.
   [1913 Webster]