anisodactyls
An`i*so*dac"ty*la, An`i*so*dac"tyls, n. pl. Etym: [NL. anisodactyla, fr. Gr. (Zoöl.) (a) A group of herbivorous mammals characterized by having the hoofs in a single series around the foot, as the elephant, rhinoceros, etc. (b) A group of perching birds which are anisodactylous.