Order
Apterygiformes
Apterygiformes
5 species in this taxon
order of birds (Aves) Apterygiformes (Apterygiformes) is an order comprising closely related families of organisms. It contains 1 families with 5 known species. This includes the family groups Apterygidae. Among its members, 4 species are currently classified as threatened (Critically Endangered, Endangered, or Vulnerable). It belongs to Birds (Aves).