Mikko's Phylogeny Archive Modern Avian Groups   Rhynocheti - kagus

After Olson, 1985, Feduccia, 1980, 1996 and Sibley & Monroe, 1990

<==o RHYNOCHETI [Rhynochetoidea Sharpe, 1891] (kagut; kagus)
   |?-o †Apterornis Owen, 1848 [Apterornithidae Bonaparte, 1856] (adzebills)
   |  |-- †A. oditiformis
   |  `-- †A. defossor
   `--o Rhynochetos Verreaux & Des Murs, 1860 [Rhynochetidae Newton, 1868] (kagut; kagus)
      |-- †R. orarius (isokagu)
      `-- R. jubatus (kagu)

Reference(s):

Feduccia, A., 1980: The Age of Birds.
–Harvard University Press, Cambridge, Massachusetts & London, England, 1980, IX-196

Feduccia, A., 1996: The Origin and Evolution of Birds.
–Yale University Press, New Haven, 1996, x-420

Olson, S. L., 1985: The fossil record of birds. 79-239.
in Farner, D., King, J. & Parkes, K. (eds.), 1985: Avian Biology. vol VIII.
–Academic Press, New York. 1985.

Sibley, C. G. & Monroe, B. L., 1990: Distribution and taxonomy of birds of the world.
–Yale University Press, New Haven & London, 1990, xxiv-1111.