The Collaborative International Dictionary of English v.0.48:
Mysidae \Mysidae\ prop. n. A natural family of small shrimplike crustaceans. Syn: family Mysidae. [WordNet 1.5]WordNet (r) 3.0 (2006):
Mysidae n 1: small shrimp-like crustaceans [syn: Mysidae, family Mysidae]