Assertion: barnacle's shell | /r/HasProperty | invisible
Facets:
value: almost
type: DEGREE
value: in the gooseneck barnacles
type: LOCATION
value: in some species
type: OTHER
Source sentences:
text: In the gooseneck barnacles, the hard shells can be smaller and almost invisible in some species, although they can be partially seen as paired white structures in Figure 2.