Reptilia - Sphenisciformes - Spheniscidae

Alternative spelling: Pachdyptes

Full reference: W. R. B. Oliver. 1930. New Zealand Birds

Parent taxon: Spheniscidae according to T. Park and E. M. G. Fitzgerald 2012

Sister taxa: Anthropodyptes, Anthropornis, Archaeospheniscus, Arthrodytes, Dege, Delphinornis, Duntroonornis, Eretiscus, Eudyptes, Eudyptula, Inguza, Korora, Madrynornis, Marambiornis, Marplesornis, Megadyptes, Mesetaornis, Nucleornis, Palaeeudyptes, Palaeeudyptinae, Palaeospheniscinae, Palaeospheniscus, Paraptenodytes, Paraptenodytinae, Platydyptes, Pseudaptenodytes, Pygoscelis, Spheniscinae, Spheniscus, Tereingaornis, Tonniornis, Wimanornis

Subtaxa: Pachydyptes ponderosus, Pachydyptes simpsoni

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Type: Pachydyptes ponderosus

Ecology: ground dwelling carnivore