Assertion: sea cucumber | /r/HasProperty | a diameter of up to one metre
Facets:
Source sentences:
text: Although most echinoderms are of small size, ranging up to 10 centimetres (four inches) in length or diameter, some reach relatively large sizes; e.g., some sea cucumbers are as long as two metres (about 6.6 feet), and a few starfishes have a diameter of up to one metre.