Phylum Magnoliophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996) see Infraphylum Angiospermae auct.
   Class Magnoliopsida Brongn. (1843)
     Subclass Rosidae Takht. (1967) see Superorder Rosanae Takht. (1967)
       Superorder Saxifraganae Reveal (1994)
         Order Saxifragales Bercht. & J.Presl (1820)
           Family Crassulaceae J.St.-Hil. (1805), nom. cons. - stonecrop family
             Subfamily Kalanchoideae A.Berger
               Tribe Umbiliceae
                 1 Genus Cotyledon L. (1753)
                 2 Genus Pistorinia DC. (1828)
                 3 Genus Adromischus Lemaire (1852)
                 4 Genus Umbilicus DC. (1801)
                 5 Genus Chiastophyllum (Ledebour) A.Berger, in Engl. & Prantl (1930)
                 6 Genus Mucizonia (DC.) A.Berger, in Engl. & Prantl (1930)
                 7 Genus Kalanchoe Adans. (1763)
                 8 Genus Bryophyllum Salisb. (1805)