Assertion: soft shell clam's shell | /r/HasProperty | rib
Facets:
value: markedly
type: DEGREE
value: in most cases
type: DEGREE
value: really
type: DEGREE
Source sentences:
text: In most cases, the shells we find in these much-adored reptiles are really networks of modified bones — like ribs, vertebrae and pelvic elements — that've been fused together and covered by hard plates.
text: The shells are also either bearded or markedly ribbed.