Notostraca

Từ điển WordNet v3.1 - WordNet Dictionary

noun

small freshwater crustaceans with a shield-shaped carapace
• Syn:
order Notostraca
• Hypernyms:
animal order
• Member Holonyms:
Branchiopoda, subclass Branchiopoda
• Member Meronyms:
Triopidae, family Triopidae