Mammalia Linnaeus 1758 [Rowe 1988], nom. cl. inval. see Clade Mammalia Linnaeus 1758 [Rowe 2020]
Count: [*†*] 14f;39g;22s; ‡1f;1g;1s; †1o;28f;239g;37s;1v
   Cetartiodactyla Montgelard, Catzeflis & Douzery 1997 see Order Cetartiodactyla Montgelard, Catzeflis & Douzery, 1997
  Count: [*†*] 14f;39g;22s; ‡1f;1g;1s; †28f;238g;37s;1v
     Whippomorpha Waddell, Okada & Hasegawa 1999 see Suborder Whippomorpha
    Count: [*†*] 14f;39g;22s; ‡1f;1g;1s; †28f;237g;37s;1v
       Cetacea Brisson 1762 see Suborder Cetacea Brisson, 1762
      Count: [*†*] 13f;39g;22s; ‡1f;1g;1s; †28f;236g;37s;1v [16 Jul 2022]
         Family †Protocetidae Stromer, 1908 [paraphyletic?]
        Count: [†*] †19g;2s [7 Jul 2022]
           01 Genus †Artiocetus P.D. Gingerich et al., 2001
          Count: [†*] †1s
           02 Genus †Maiacetus Gingerich, ul-Haq, von Koenigswald, Sanders, Smith & Zalmout, 2009
          Count: -
           03 Genus †Aegyptocetus Bianucci & Gingerich, 2011
          Count: -
           04 Genus †Carolinacetus Geisler, Sanders & Luo, 2005
          Count: -
           05 Genus †Crenatocetus McLeod & Barnes, 2008
          Count: -
           06 Genus †Dhedacetus Bajpai & Thewissen, 2014
          Count: -
           07 Genus †Gaviacetus Gingerich, Arif & Clyde, 1995
          Count: -
           08 Genus †Indocetus Sahni & Mishra, 1975
          Count: -
           09 Genus †Kharodacetus Bajpai & Thewissen, 2014
          Count: -
           10 Genus †Makaracetus Gingerich, Zalmout, ul-Haq & Bhatti, 2005
          Count: -
           11 Genus †Natchitochia Uhen, 1998
          Count: -
           12 Genus †Pappocetus Andrews, 1920
          Count: -
           13 Genus †Protocetus Fraas, 1904
          Count: -
           14 Genus †Qaisracetus Gingerich, ul-Haq, Khan & Zalmout, 2001
          Count: -
           15 Genus †Rodhocetus Gingerich, Raza, Arif, Anwar & Zhou, 1994
          Count: [†*] †1s
           16 Genus †Takracetus Gingerich, Arif & Clyde, 1995
          Count: -
           17 Genus †Georgiacetus Hulbert, Petkewich, Bishop, Bukry & Aleshire, 1998
          Count: -
           18 Genus †Babiacetus Trivedi & Satsangi, 1984
          Count: -
           19 Genus †Eocetus Fraas, 1904
          Count: -