资料来源 : pyDict

直足亚目

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Orthopoda \Or*thop"o*da\, n. pl. [NL. See {Ortho-}, and
   {-poda}.] (Zo["o]l.)
   An extinct order of reptiles which stood erect on the hind
   legs, and resembled birds in the structure of the feet,
   pelvis, and other parts.