Assertion: crab's eye | /r/HasProperty | absent
Facets:
value: in some deep-sea species
type: LOCATION
value: often
type: TEMPORAL
value: in later developmental stages
type: TEMPORAL
Source sentences:
text: The eye is known for that reason as the "naupliar eye", and is often absent in later developmental stages, although it is retained into the adult form in some groups, such as the Notostraca.
text: The eyes, which may be absent in some deep-sea species, are usually well-developed with a pigmented, multifaceted cornea.