The Collaborative International Dictionary of English v.0.48:

Nymphales \Nym*pha"les\, prop. n. pl. [NL.] (Zool.)
   Same as Nymphalidae, an extensive family of butterflies
   including the nymphs, the satyrs, the monarchs, the
   heliconias, and others; -- called also brush-footed
   butterflies.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Nymphalidae \Nymphalidae\ prop. n.
   A natural family of large beautifully colored butterflies,
   called also the brush-footed butterflies; formerly called
   Nymphales.

   Syn: family Nymphalidae.
        [WordNet 1.5]