Assertion: petrel's family | /r/MadeOf | two extant species
Facets:
value: from the miocene
type: TEMPORAL
Source sentences:
text: The family consists of two extant species and two extinct fossil species from the Miocene.
text: The family consists of two extant species that are living and two that are extinct.
text: The family consists of two extant species that are living and two that are extinct.