| 释义 |
pleurotomarioid, a. and n. Zool.|ˌplʊərəʊtəʊˈmɛərɪɔɪd|
[f. mod.L. Pleurotomāri-a (f. pleurotoma see next) + -āria (see -ary 1) + -oid.]
a. adj. Resembling the genus Pleurotomaria of gastropod molluscs, having top-shaped shells with a deep cleft in the outer lip; found (living) in deep tropical seas, and (extinct) in many formations from the Silurian onward.
b. n. A gastropod of the family Pleurotomariidæ. |