| 释义 |
ˈspirivalve, a. Zool.
[a. F. spirivalve, f. L. spīra spire n.3]
a. Of shells: Univalve and spiral.
b. Having a spiral univalve shell.
1835Kirby Hab. & Inst. Anim. I. ix. 267 Trachelipods..; greatest part of the body spirally convolved,..inhabiting a spirivalve shell. 1836–9Todd's Cycl. Anat. II. 384/1 Many of the spirivalve Gasteropoda..are provided with a calcareous plate, which..closes accurately the mouth of the shell. |