资料来源 : pyDict

贝壳类的有壳类,贝壳类

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

Testacean \Tes*ta"cean\, n. (Zo["o]l.)
   Onr of the Testacea.

资料来源 : WordNet®

testacean
     n : any of various rhizopods of the order Testacea characterized
         by having a shell