discodactylia

from The Collaborative International Dictionary of English v.0.48

Discodactylia \Dis`co*dac*tyl"i*a\, n. pl. [NL., fr. Gr. ? disk
   + ? finger.] (Zool.)
   A division of amphibians having suctorial disks on the toes,
   as the tree frogs.
   [1913 Webster]