Assertion: crustacean | /r/PartOf | the decapoda
Facets:
Source sentences:
text: The largest crustaceans belong to the Decapoda, a large order (about 10,000 species) that includes the American lobster, which can reach a weight of 20 kilograms (44 pounds), and the giant Japanese spider crab, which has legs that can span up to 3.7 metres (12 feet).