Assertion: brook lamprey | /r/HasAspect | many teeth
Facets:
value: unlike parasitic lampreys
type: OTHER
value: in their sucking disk
type: LOCATION
Source sentences:
text: Unlike parasitic lampreys, brook lampreys (the group of nonparasitic lampreys) don’t have many teeth in their sucking disk, and the teeth they do have are poorly developed, especially near the outer edge of the disk.