| 释义 |
ˈnucleobranch Zool.
Also -branche.
[ad. F. nucléobranche: cf. prec. and branchiæ.]
A mollusc of the order Nucleobranchiata; a Heteropod.
Some recent Dicts. also give the form as an adj.
1851Woodward Mollusca i. 11 The nucleobranches and pteropods swim in the open sea. Ibid. 97 The nucleobranches are ‘aberrant’ gasteropods, having the foot thin and vertical. 1861Carpenter in Rep. Smithsonian Instit. 172 The Nucleobranchs have the gills in a tuft at the lower part of the back, sometimes protected by a shell.
So nucleoˈbranchiate a. (Cf. branchiate.)
1854Woodward Mollusca ii. 198 There are two families of nucleobranchiate mollusks. |