pagurian

from the GNU version of the Collaborative International Dictionary of English

• n. Any one of a tribe of anomuran crustaceans, of which Pagurus is a type; the hermit crab. See Hermit crab, under hermit.

from The Century Dictionary and Cyclopedia

• Of or pertaining to the genus Pagurus in a broad sense.
• n. A member of the genus Pagurus; a hermit-crab.