The Collaborative International Dictionary of English v.0.48:

Pagurus \Pagurus\ prop. n. [Gr. pa`goyros, crab.]
   The type genus of the crustacean family Paguridae.

   Syn: genus Pagurus.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

Pagurus
    n 1: type genus of the family Paguridae [syn: Pagurus, genus
         Pagurus]