Assertion: marine snail | /r/HasProperty | the family cymatiidae
Facets:
Source sentences:
text: Triton shell, any of several marine snails constituting the family Cymatiidae (subclass Prosobranchia of the class Gastropoda), in which the shell usually is spired, the body whorl is large, and the aperture in the first whorl of the shell is broadly or narrowly toothed.