Scrotifera Rango fossile:Paleoceno - recente 66–0 Ma preꞒ Ꞓ O S D C P T J K Pg N
Classification scientific
Regno: Animalia Phylo: Chordata Classe: Mammalia Subclasse: Theria Infraclasse: Placentalia Superlegion: Boreoeutheria Legion: Laurasiatheria
Sublegion
Scrotifera Waddell et al., 1999[1]
Synonymia
Variamana(Springer, 2005)[2]
Subdivision
Chiroptera Fereuungulata

Scrotifera es unsublegion demammiferosplacentari.

• Placentalia, classeMammalia.

Segundo Foleyet al. (2023), lecladogramma interne a Laurasiatheria es le sequente:^[3]

1. ↑ "Using Novel Phylogenetic Methods to Evaluate Mammalian mtDNA, Including Amino Acid-Invariant Sites-LogDet plus Site Stripping, to Detect Internal Conflicts in the Data, with Special Reference to the Positions of Hedgehog, Armadillo, and Elephant" (in en) (1999-03-01).Systematic Biology 48 (1): 31–53.doi:10.1080/106351599260427.ISSN1076-836X.PMID 12078643. 
2. ↑Springer M. S., Murphy W. J., Eizirik E., O'Brien S. J. In: "Placental Mammals: Origins and Relationships of the Major Clades." Rose K. D., Archibald J., editor. Baltimore: Johns Hopkins; (2005.) "Molecular evidence for major placental clades"; pp. 37–49
3. ↑Nicole M. Foley, Victor C. Mason, Andrew J. Harris, Kevin R. Bredemeyer, Joana Damas, Harris A. Lewin, Eduardo Eizirik, John Gatesy, Elinor K. Karlsson, Kerstin Lindblad-Toh, Zoonomia Consortium, Mark S. Springer & William J. Murphy (2023-04-28). "A genomic timescale for placental mammal evolution".Science 380 (6643).doi:10.1126/science.abl8189. 

• Mammalia

• Paginas usante ligamines magic PMID