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]
         Pelagiceti Uhen, 2008
        Count: [*†*] 13f;39g;22s; ‡1f;1g;1s; †24f;206g;33s;1v [16 Jul 2022]
           Neoceti Fordyce & de Muizon, 2001
          Count: [*†*] 13f;39g;22s; ‡1f;1g;1s; †22f;191g;32s;1v [16 Jul 2022]
             Mysticeti Cope, 1891 see Parvorder Mysticeti Cope, 1891
            Count: [*†*] 4f;6g;7s; †7f;54g;10s;1v [10 Jul 2022]
               Chaeomysticeti Mitchell, 1989
              Count: [*†*] 4f;6g;7s; †4f;45g;8s;1v [10 Jul 2022]
                 01.1 Family †Eomysticetidae Sanders & Barnes, 2002
                Count: [†*] †5g;1s [7 Jul 2022]
                 01.2 Family †Cetotheriopsidae Brandt, 1872
                Count: [†*] †2g [7 Jul 2022]
                 02 Balaenomorpha Geisler & Sanders, 2003
                Count: [*†*] 4f;6g;7s; †2f;27g;7s;1v [10 Jul 2022]
                 03 Genus †Aglaocetus Kellogg, 1934, incertae sedis
                Count: -
                 04 Genus †Cophocetus Packard & Kellogg, 1934, incertae sedis
                Count: -
                 05 Genus †Diorocetus Kellogg, 1968, incertae sedis
                Count: -
                 06 Genus †Hibacetus Otsuka & Ota, 2008, incertae sedis
                Count: -
                 07 Genus †Horopeta Tsai & Fordyce, 2015, incertae sedis
                Count: -
                 08 Genus †Isanacetus Kimura & Ozawa, 2002, incertae sedis
                Count: -
                 09 Genus †Mauicetus Benham, 1939, incertae sedis
                Count: -
                 10 Genus †Parietobalaena Kellogg, 1924, incertae sedis
                Count: -
                 11 Genus †Pelocetus Kellogg, 1965, incertae sedis
                Count: -
                 12 Genus †Thinocetus Kellogg, 1969, incertae sedis
                Count: -
                 13 Genus †Titanocetus Bisconti, 2006, incertae sedis
                Count: -