cirrobranchiata

from The Collaborative International Dictionary of English v.0.48

Cirrobranchiata \Cir`ro*bran`chi*a"ta\, n. pl. [NL., fr. E.
   cirrus + L. branchiae gills.] (Zool.)
   A division of Mollusca having slender, cirriform appendages
   near the mouth; the Scaphopoda.
   [1913 Webster]