| 释义 |
sinuˈpallial, -ˈpalliate, a. Conch.
[f. sinu- stem of sinus + pallial a., or palliate a. 4.]
Of certain lamellibranchs: Having the pallial line deeply incurved or inflected beneath the impression of the posterior adductor muscles, for the retraction or expansion of the pallial siphons.
1863Dana Man. Geol. 192 This division, the Sinupallial, was far less common in the Silurian than the integripallial. 1877Huxley Anat. Inv. Anim. viii. 486 The integropalliate are far more numerous than the sinupalliate forms in the older rocks. 1883Encycl. Brit. XVI. 687/1 The valves of the Sinupalliate genus Cytherea. |