struthiones: ความหมายและคำอธิบายความหมาย

A division, or order, of birds, including only the African ostriches.

In a wider sense, an extensive group of birds including the ostriches, cassowaries, emus, moas, and allied birds incapable of flight. In this sense it is equivalent to Ratitæ, or Dromæognathæ.