Assertion: abalone | /r/HasProperty | univalve
Facets:
Source sentences:
text: An abalone is a univalve, meaning that it has one shell, rather than two symmetrical shells, like with clams and oysters.
text: The ear-shells or abalone (Haliotidae), univalves, attach themselves to the rocks by means of their large muscular disk-shaped foot, which acts like a sucker or an exhaust-cup.