资料来源 : Webster's Revised Unabridged Dictionary (1913)

Pellibranchiata \Pel`li*bran`chi*a"ta\, n. pl. [NL., fr. pellis
   garment + branchia a gill.] (Zo["o]l.)
   A division of Nudibranchiata, in which the mantle itself
   serves as a gill.