Anatidae: Anatinae

After Livezey, 1996

<==o Anatinae Leach, 1820 sensu Livezey, 1996 (ducks; sorsat)
   |--o Malacorhynchini
   |  |-- Salvadorina waigiuensis (viirusorsa)
   |  `--o Malacorhynchus
   |     |-- M. membranaceus (liuskanokkasorsa)
   |     `-- †M. scarletti [Uusi Seelanti]
   |-- Anatini (sorsat)
   |-- Aythyini (sotkat)
   |-- Mergini (sukeltajasorsat)
   `-- Oxyurini (viuhkasorsat ja sukulaiset)

Reference(s):

Ericson, P. G. P. 1996: Systematic relationships of the Palaeogene family Presbyornithidae (Aves: Anseriformes).
–Zoological Journal of the Linnean Society: vol. 121, #4, pp. 429-483
Livezey, B. C. 1996: A phylogenetic classification of waterfowl (Aves: Anseriformes), including selected fossil species.
–Annals of Carnegie Museum: vol. 66, #4, pp. 457-496.