| 释义 |
‖ acephala, n. pl. Zool.|əˈsɛfələ|
[late L. acephala, a. Gr. ἀκέϕαλα adj. neut. pl. = headless (sc. animalia).]
Name given (by Lamarck) to one of the two great divisions of Molluscs. The sing. is supplied by acephal or more commonly acephalan.
1847Carpenter Zool. §876 The Conchiferous Acephala, with scarcely an exception, have bivalve shells. 1863Lyell Antiq. Man xxii. 442 A greater number of acephala or lamellibranchiate bivalves could be identified with living species than of gasteropods. |