Boreoëutheria sive (Latinius) aliquando Boreotheria (e Graeco βόρειο 'Septentriones' + θεριό 'bestia') est cladus (magnordo) mammalium placentalium.

• Imperium: Eucaryota
  • Regnum: Animalia
    • Gradus: Metazoa
      • Subgradus: Eumetazoa
        • Subregnum: Bilateria
          • Infraregnum: Deuterostomia
            • Superphylum: Chordata
              • Phylum: Craniata
                • Subphylum: Vertebrata
                  • Infraphylum: Gnathostomata
                    • Supraclassis: Tetrapoda
                      • Ramus: Amniota
                        • Subramus: Synapsida
                          • Infraramus: Mammaliformes
                            • Classis: Mammalia
                              • Subclassis: Theriiformes
                                • Infraclassis: Holotheria
                                  • Superlegio: Trechnotheria
                                    • Legio: Cladotheria
                                      • Sublegio: Zatheria
                                        • Infralegio: Tribosphenida
                                          • Supracohors: Theria
                                            • Cohors: Placentalia
                                              • Subcohors: Exafroplacentalia
                                                • Magnordo: Boreotheria
                                                  • Grandordo: Laurasiatheria
                                                  • Grandordo: Euarchontoglires

• Euarchontoglires
• Laurasiatheria

• Waddell PJ, Kishino H, Ota R. 2001. A phylogenetic foundation for comparative mammalian genomics. Genome Inform Ser Workshop Genome Inform 12: 141–154
• Placental mammal diversification and the Cretaceous-Tertiary boundary
• Wildman D.E.; Chen C.; Erez O.; Grossman L.I.; Goodman M.; Romero R. 2006. Evolution of the mammalian placenta revealed by phylogenetic analysis. PNAS 103 (9): 3203–3208
• Nikolaev, S., Montoya-Burgos, J.I., Margulies, E.H., Rougemont, J., Nyffeler, B., Antonarakis, S.E. 2007. Early history of mammals is elucidated with the ENCODE multiple species sequencing data. PLoS Genet. 3:e2, doi:10.1371/journal.pgen.0030002.
• Gennady Churakov, Jan Ole Kriegs, Robert Baertsch, Anja Zemann, Jürgen Brosius, Jürgen Schmitz. 2008. Mosaic retroposon insertion patterns in placental mammals
• Goloboff, P.A.; Catalano, S.A.; Mirande, J.M.; Szumik, C.A.; Arias, J.S.; Källersjö, M & Farris, J.S. 2009. Phylogenetic analysis of 73 060 taxa corroborates major eukaryotic groups. Cladistics 25 (3): 211–230^{[nexus deficit]}

Haec stipula ad mammale spectat. Amplifica, si potes!