Assertion: arthropod's eye | /r/HasProperty | derived
Facets:
value: with a pigmented, multifaceted cornea
type: OTHER
value: usually
type: DEGREE
value: from a holochroal ancestor
type: OTHER
value: presumably
type: DEGREE
Source sentences:
text: Schizochroal eyes appear quite suddenly in the early Ordovician, and were presumably derived from a holochroal ancestor.  
text: The eyes, which may be absent in some deep-sea species, are usually well-developed with a pigmented, multifaceted cornea.