wing-shell

短语

词形变化

wing-shells 复数 wing-shells

释义与例句

n.
  1. 1.

    Any of various species of marine bivalve shells formerly belonging to the genus Avicula (no longer accepted), now a synonym of Pteria, with species assigned to several genera, in which the hinge border projects like a wing.

  2. 2.

    Any marine gastropod shell formerly in the genus Strombus, with species now assigned to several genera, principally in the family Strombidae.

  3. 3.

    Any pteropod shell.

    古体