Assertion: sea urchin | /r/CapableOf | range in diameter
Facets:
value: from 6 -12 cm
type: OTHER
value: typically
type: DEGREE
Source sentences:
text: Sea urchins typically range from 6 -12 cm (2.4 – 4.7 in) in diameter, although the largest species of urchin (the red sea urchin, Strongylocentrotus franciscanus) can reach a diameter of more than 18 cm (7.1 in).