Natura - nature
  
 actualia - actual entities
    
 Mundus Plinius - physical world
      
 naturalia - natural bodies
        
 Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
          
 Clade neomura Cavalier-Smith, 1987
            
 Domain Eukaryota Chatton, 1925 - eukaryotes
              
 Clade discaria Cavalier-Smith, 2021
                
 Clade dorsates Cavalier-Smith, 2021
                  
 Clade podiates Cavalier-Smith, 2012
                    
 Clade Amorphea Adl et al. 2012 [Simpson, Medina & Adl 2020]
                      
 Clade Obazoa Brown, Sharpe, Silberman, Heiss, Lang, Simpson & Roger 2013
                        
 Clade Opisthokonta Cavalier-Smith 1987 [Simpson & Medina 2020] - animal-fungal clade
                          
 Superkingdom Holozoa Lang, O'Kelly, Nerad, Gray & Burger, 2002
                            
 Clade filozoa Shalchian-Tabrizi, Minge, Espelund, Orr, Ruden, Jakobsen & Cavalier-Smith, 2008
                              
 Kingdom Animalia Linnaeus, 1758 - animals
                                
 Clade Planulozoa Wallberg, Thollesson, Farris & Jondelius 2004
                                  
 Phylum Cnidaria Hatschek, 1888 [coordinate rank] - cnidarians
                                    
 Subphylum Medusozoa Petersen, 1979
                                      
 Class Scyphozoa Goette, 1887 - jellyfish
                                        
 Subclass Scyphomedusae Lankaster, 1877
                                          
 Order Rhizostomeae Cuvier, 1799 - root-mouth jellies
                                            
 Family Mastigiidae Stiasny, 1921
                                              
 Genus Mastigiasᵀ L. Agassiz, 1862
                                                
 Mastigias albipunctatus Stiasny, 1920
                                                
 Mastigias andersoni Stiasny, 1926
                                                
 Mastigias gracilis (Vanhöffen, 1888)
                                                
 Mastigias ocellatus (Modeer, 1791)
                                                
 Mastigias pantherinus Haeckel, 1880
                                                
 Mastigias papuaᵀ (Lesson, 1830)
                                                
 Mastigias roseus (Reynaud, 1830)
                                                
 Mastigias siderea Chun, 1896