Kingdom Animalia Linnaeus, 1758 - animals
Status: extant
   Phylum Echinodermata Bruguière, 1789 - echinoderms
  Status: extant
     Subphylum Eleutherozoa Bell, 1891
    Status: extant
       Class Holothuroidea (de Blainville, 1834) - sea cucumbers
      Status: extant
         Subclass Apodacea
        Status: extant
           Genus Caudina Stimpson, 1853
          Status: extant
           Genus Leptosynapta Verrill, 1867
          Status: extant
           Genus Molpadia Cuvier, 1817
          Status: extant
           Genus Synapta Eschscholtz, 1829
          Status: extant