Assertion: gull | /r/AtLocation | the genus larus
Facets:
value: until the 21st century
type: TEMPORAL
Source sentences:
text: Until the 21st century, most gulls were placed in the genus Larus, but this arrangement is now considered polyphyletic, leading to the resurrection of several genera.
text: Until recently, most gulls were placed in the genus Larus, but this arrangement is now known to be polyphyletic, leading to the resurrection of the genera Ichthyaetus, Chroicocephalus, Leucophaeus, Saundersilarus, and Hydrocoloeus.