Dermopterygii

from The Collaborative International Dictionary of English v.0.48

Dermopterygii \Der*mop`te*ryg"i*i\, n. pl. [NL., fr. Gr. ? skin
   + ? wing, fin, dim. of ? wing.] (Zool.)
   A group of fishlike animals including the Marsipobranchiata
   and Leptocardia.
   [1913 Webster]