Assertion: mollusk's organ | /r/CapableOf | demonstrate the placophore heritage
Facets:
value: in the tryblids
type: LOCATION
Source sentences:
text: The subradular organ, the arrangement of the dorsoventral musculature, the three-layered shell structure with enclosed mantle papillae, and the excretory system also demonstrate the placophore heritage in the tryblids, which are the more primitive of the conchifera.