Assertion: brittle star | /r/CapableOf | remain abundant
Facets:
value: below 8,000 m
type: LOCATION
Source sentences:
text: Nevertheless, this makes sea urchin the class of echinoderms living the least deep, compared to brittle stars, starfish and crinoids that remain abundant below 8,000 m (26,250 ft) and sea cucumbers which have been recorded from 10,687 m (35,100 ft).