radulae

n.

（软体动物的）齿舌( radula的名词复数 )；

1. Unlike other molluscs, bivalves lack a radula and feature labial palps.
   与其他软体动物不同的是，双壳贝缺乏齿舌，具有唇瓣。

The radulae of Cephalopoda
Beaks and radulae of Early Carboniferous goniatites
Jaws and Radulae in Rhaeboceras, a Late Cretaceous Ammonite
The Radulae of Caribbean and other Mesogastropoda and Neogastropoda
Gastropod Radulae and the Assessment of Form in Evolutionary Paleontology
Comparative morphology of the radulae and alimentary tracts in the Aplacophora
Sexually Dimorphic Radulae in Cronia margariticola and Morula musiva (Gastropoda : Muricidae)
On the morphology and homology of the “central tooth” in the radulae of Turrinae (Conoidea: Turridae)
Research note: A nondestructive method for cleaning gastropod radulae from frozen, alcohol-fixed, or dried material
Gastropod feeding tracks as a source of data in analysis of the functional morphology of radulae