Neornithes Gadow, 1893 - living birds Neognathae Pycraft 1900 see Cohort Neognathae Pycraft, 1900 Neoaves Sibley et al. 1988 see Subcohort Neoaves Sibley et al., 1988 [Order] Sphenisciformes Sharpe, 1891 Family Spheniscidae Bonaparte, 1831 - penguins Genus Megadyptes Milne-Edwards, 1880 [monotypic] 1 Megadyptes antipodes (Hombron & Jacquinot, 1841) - yellow-eyed penguin