Assertion: starfish | /r/HasProperty | sea cucumbers
Facets:
Source sentences:
text: Tissue regeneration is widespread among echinoderms and has been well documented in starfish (Asteroidea), sea cucumbers (Holothuroidea), and sea urchins (Echinoidea).
text: That means they are related to sand dollars (yes, they are a real animal), sea urchins, and sea cucumbers.