Reptilia - Sphenisciformes - Spheniscidae
Synonyms: Chubutodyptes Simpson 1970, Paraspheniscus Ameghino 1905, Perispheniscus Ameghino 1905, Pseudospheniscus Ameghino 1905, Treleudytes Ameghino 1905
Full reference: F. P. Moreno and A. Mercerat. 1891. Catalogue des Oiseaux Fossiles de la Republique Argentine conserves au Musee de la Plata. Anales del Museo de la Plata 1:1-71
Parent taxon: Spheniscidae according to C. Acosta Hospitaleche et al. 2008
Sister taxa: Anthropodyptes, Anthropornis, Archaeospheniscus, Arthrodytes, Dege, Delphinornis, Duntroonornis, Eretiscus, Eudyptes, Eudyptula, Inguza, Korora, Madrynornis, Marambiornis, Marplesornis, Megadyptes, Mesetaornis, Nucleornis, Pachydyptes, Palaeeudyptes, Palaeeudyptinae, Palaeospheniscinae, Paraptenodytes, Paraptenodytinae, Platydyptes, Pseudaptenodytes, Pygoscelis, Spheniscinae, Spheniscus, Tereingaornis, Tonniornis, Wimanornis
Subtaxa: Palaeospheniscus affinis, Palaeospheniscus bergi, Palaeospheniscus bilocular, Palaeospheniscus gracilis, Palaeospheniscus huxleyorum, Palaeospheniscus intermedius, Palaeospheniscus interruptus, Palaeospheniscus patagonicus, Palaeospheniscus planus, Palaeospheniscus rothi, Palaeospheniscus wimani, Pseudospheniscus concavus, Pseudospheniscus planus, Treleudytes crassa
Type: Palaeospheniscus patagonicus
Ecology: ground dwelling carnivore