Assertion: cephalopod | /r/RelatedTo | gastropod
Facets:
value: closely
type: DEGREE
value: as a class in the phylum
type: OTHER
Source sentences:
text: As a class in the phylum Mollusca, cephalopods are also related to gastropods (snails) and bivalves (clams, mussels).
text: The cephalopods were once thought to have evolved from a monoplacophoran-like ancestor with a curved, tapering shell, and to be closely related to the gastropods (snails).