Class Mammalia Linnaeus, 1758 - mammals
Count: [*] 26o;133f;1112g;4545s;7ss; ‡3f;23g;88s; †1g;9s
   Order Sirenia Gill, 1872 - sea cows
  Count: [*] 2f;2g;4s; ‡1g;1s
     Family Trichechidae Gill, 1872 - manatees
    Count: [*] 1g;3s
       Genus Trichechus Linnaeus, 1758 - manatees
      Count: [*] 3s
         1 Trichechus inunguis (Natterer, in Pelzeln, 1883) - Amazon manatee
        Count: -
         2 Trichechus manatus Linnaeus, 1758 - Caribbean manatee
        Count: -
         3 Trichechus senegalensis Link, 1795 - African manatee
        Count: -