Assertion: widow spider | /r/PartOf | the family
Facets:
Source sentences:
text: Black widow spiders belong to the family Theridiidae, commonly referred to as comb-footed spiders," Sewlal said, adding that comb-footed spiders get their name "because they have a series of stiff short hairs on the last segment of their fourth pair of legs that resemble the teeth of a comb.
text: Black widow spiders belong to the family Theridiidae, also known as comb-footed spiders, so called “because they have a series of stiff short hairs on the last segment of their fourth pair of legs that resemble the teeth of a comb.