Assertion: sea slug's shell | /r/HasProperty | no value
Facets:
value: to science
type: TRANSITIVE-OBJECT
value: usually
type: DEGREE
Source sentences:
text: Some owners of shell collections hope to be able to donate their collection to a major natural history or zoology museum at some point, however, shells with little or no collecting data are usually of no value to science, and are likely not to be accepted by a major museum.