Tunicata Lamarck, 1816 - tunicates see Subphylum Urochordata Bateson, 1885
   Thaliacea van der Haeven, 1850 - salps
     Order Pyrosomatida Jones, 1848
       Family Pyrosomatidae Lahille, 1888
         .1 Genus Pyrostremma Garstang, 1929
         .2 Genus Pyrosomella van Soest, 1979
         .3 Genus Pyrosoma Péron, 1804
         1 Subfamily Pyrostremmatinae van Soest, 1979
         2 Subfamily Pyrosomatinae Lahille, 1888