北方真獣類

Euarchontoglires 真主齧類
 
ローラシア獣類

Eulipotyphla 真無盲腸目
 
陰嚢類

Chiroptera 翼手目
 
猛獣有蹄類

有蹄類

Perissodactyla 奇蹄目
 
 

Artiodactyla 鯨偶蹄目
 

Euungulata
広獣類

Pholidota 鱗甲目
 
 

Carnivora 食肉目
 

Ferae

Ferungulata

Scrotifera

Laurasiatheria

Boreoeutheria

真無盲腸目を除いたクレードは陰嚢類Scrotiferaとして定義される[1][8][9]。陰嚢類の内部系統では食肉目と奇蹄目を単系統群とする友獣類Zooamata説や[1]、翼手目と広獣類を姉妹群とするペガソフェラエPegasoferae説も存在した[9][10]。
絶滅

以下の絶滅目が含まれる。

?節目[11]

恐角目[11]

メソニクス目（無肉歯目）

キモレステス目 : 紐歯目、汎歯目、裂歯目、…など以前は系統不明であった数目を集めた分類群。

肉歯目

出典^ a b c Waddell, Peter J.; Okada, Norihiro; Hasegawa, Masami; Olmstead, R. (1999). “Towards Resolving the Interordinal Relationships of Placental Mammals”. Systematic Biology 48 (1): 1?5. doi:10.1093/sysbio/48.1.1. .mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation.cs-ja1 q,.mw-parser-output .citation.cs-ja2 q{quotes:"「""」""『""』"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free a,.mw-parser-output .citation .cs1-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited a,.mw-parser-output .id-lock-registration a,.mw-parser-output .citation .cs1-lock-limited a,.mw-parser-output .citation .cs1-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription a,.mw-parser-output .citation .cs1-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:#d33}.mw-parser-output .cs1-visible-error{color:#d33}.mw-parser-output .cs1-maint{display:none;color:#3a3;margin-left:0.3em}.mw-parser-output .cs1-format{font-size:95%}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}ISSN 1076-836X. 
^ Connor J. Burgin, Jane Widness & Nathan S. Upham, “Introduction,” In: Connor J. Burgin, Don E. Wilson, Russell A. Mittermeier, Anthony B. Rylands, Thomas E. Lacher & Wes Sechrest (eds.), Illustrated Checklist of the Mammals of the World, Volume 1, Lynx Edicions, 2020, Pages 23-40.
^ O’Leary, M. A., Bloch JI, Flynn, J. J., Gaudin, T. J., Giallombardo, A., Giannini, N. P., Goldber, S. L, Kraatz, B. P., Luo, Z-X, Jin Meng, Xijun Ni, Novacek, M. J., Perini, F. A., Randall, Z. S., Rougier, G. W., Sargis, E. J., Silcox, M. T., Simmons, N. B., Spaulding, M. Velazco, P. M., Weksler, M., Wible, J. R. Cirranello, A. L. (2013.) "The Placental Mammal Ancestor and the Post?K-Pg Radiation of Placentals." Science 339:6120:662-667.
^ Burger, Benjamin J. (15 October 2015). ⇒The Systematic Position of the Saber-Toothed and Horned Giants of the Eocene: The Uintatheres (Order Dinocerata) (PDF). Society of Vertebrate Paleontology 75th Annual Meeting. Dallas. 2020年2月20日閲覧。 ⇒Conference abstract (p. 99). Explanation and conclusions: Episode 17: Systematic position of the Uintatheres (Order Dinocerata) - YouTube.
^ Orliac, M. J.; o'Leary, M. A. (2016). “The inner ear of Protungulatum (Pan-Euungulata, Mammalia)”. Journal of Mammalian Evolution 23 (4): 337?352. doi:10.1007/s10914-016-9327-z. https://link.springer.com/article/10.1007/s10914-016-9327-z. 
^ Frank Zachos (2020.) "Mammalian Phylogenetics: A Short Overview of Recent Advances"
^ Xue Lv, Jingyang Hu, Yiwen Hu, Yitian Li, Dongming Xu, Oliver A. Ryder, David M. Irwin, Li Yu (2021.) "Diverse phylogenomic datasets uncover a concordant scenario of laurasiatherian interordinal relationships", Molecular Phylogenetics and Evolution, Volume 157
^ Peter J. Waddell, Ying Cao, Joerg Hauf, Masami Hasegawa, “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,” Systematic Biology, Volume 48, Issue 1, Society of Systematic Biologists, 1999, Pages 31?53.
^ a b スティーヴ・パーカー編、日暮雅通・中川泉 訳「第7章 哺乳類」『生物の進化大事典』養老孟司 総監修・犬塚則久 4-7章監修、三省堂、2020年、416-417頁。
^ Nishihara, H., Hasegawa, M. & Okada, N. (2006), Pegasoferae an unexpected mammalian clade revealed by tracking ancient retroposon insertions. Proc. Natl. Acad. Sci. USA 103, 9929-9934. ⇒[1]
^ a b 『新版　絶滅哺乳類図鑑』丸善。 

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