Cnidaria Hatschek, 1888 - cnidarians
   Class Hydrozoa Owen, 1843
     Order Siphonophora Eschscholtz, 1829 - siphonophorans
       Family Physaliidae Brandt, 1835
         Genus Physalia Lamarck, 1801
           1 Physalia physalis (C. Linnaeus, 1758) Totton, 1965
           1.0 Physalia utriculus (La-Martinière) Esch. see Physalia physalis (C. Linnaeus, 1758) Totton, 1965