Placentalia
Placentalia (nomen ab Owen anno 1837 factum), olim Eutheria (Gill anno 1872), est infraordo mammalium quae placentas habent.

Systema taxinomicum 
 Imperium: Eukaryota
 Regnum: Animalia
 Gradus: Metazoa
 Subgradus: Eumetazoa
 Subregnum: Bilateria
 Infraregnum: Eucoelomata
 Supraphylum: Deuterostomia
 Infraphylum: Chordonia
 Phylum: Chordata
 Subphylum: Vertebrata
 Infraphylum: Gnathostomata
 Supraclassis: Tetrapoda
 Infraclassis: Amniota
 Ramus: Mammaliaformes
 Classis: Mammalia
 Subclassis: Theriiformes
 Infraclassis: Holotheria
 Supralegio: Trechnotheria
 Legio: Cladotheria
 Sublegio: Zatheria
 Infralegio: Tribosphenida
 Supracohors: Theria
 Cohort: Placentalia (=Eutheria)
 Magnordo: Epitheria
 Magnordo: Xenarthra
 Ordo: ‡ Bibymalagasia 
 Genus: † Aspanlestes
 Genus: † Beleutinus
 Genus: † Bulaklestes
 Genus: † Cretasorex
 Genus: † Daulestes
 Genus: † Eodesmatodon
 Genus: † Eomaia
 Genus: † Eutrochodon
 Genus: † Idiogenomys
 Genus: † Helioseus
 Genus: † Kumsuperus
 Genus: † Neodesmostylus
 Genus: † Obtususdon
 Genus: † Sorlestes
 Genus: † Telacodon
 Genus: † Tingamarra
 Genus: † Veratalpa
 Genus: † Wanotherium

Bibliographia 
 Goloboff, P. A., S. A. Catalano, J. M. Mirande, C. A. Szumik, J. S. Arias, M. Källersjö, et J. S. Farris. 2009. "Phylogenetic analysis of 73 060 taxa corroborates major eukaryotic groups." Cladistics 25(3):211–230.
 McKenna, M. C., et S. K. Bell. 1997. Classification of Mammals Above the Species Level. Novi Eboraci: Columbia University Press.
 Vaughan, Terry A., James M. Ryan, et Nicholas J. Czaplewski. 2000. Mammalogy: Fourth Edition. Saunders College Publishing. ISBN 0-03-025034-X.

 Afrotheria
 Exafroplacentalia
 Boreoeutheria

Nexus externi 

 Placentalia apud Systema Natura
 eutheria apud Animaldiversity

Mammalia
Taxa Owen
Taxa 1837