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
                                  
 Subkingdom Bilateria Hatschek, 1888 - bilaterians
                                    
 Clade Nephrozoa Jondelius, Ruiz-Trillo, Baguñà & Riutort 2002
                                      
 Infrakingdom Protostomia Grobben, 1908
                                        
 Superphylum Ecdysozoa Aguinaldo, Turbeville, Linford, Rivera, Garey, Raff & Lake, 1997
                                          
 Panarthropoda Nielsen, 1995 - panarthropods
                                            
 Tactopoda Budd, 2001
                                              
 Phylum Arthropoda Siebold, 1848 - arthropods
                                                
 Euarthropoda
                                                  
 Subphylum Chelicerata Heymons, 1901
                                                    
 Euchelicerata Weygoldt & Paulus, 1979
                                                      
 Prosomapoda Lamsdell, 2013
                                                        
 Planaterga Lamsdell, 2013
                                                          
 Dekatriata Lamsdell, 2013
                                                            
 Sclerophorata Kamenz, Staude & Dunlop, 2011
                                                              
 Class Arachnida Lamarck, 1801
                                                                
 Clade Micrura Hansen & Sørensen, 1904
                                                                  
 Clade Pantetrapulmonata Shultz, 2007
                                                                    
 Clade Tetrapulmonata Shultz, 1990
                                                                      
 Superorder Serikodiastida Garwood & Dunlop, 2014
                                                                        
 Order Araneida Clerck, 1757 - spiders
                                                                          
 Suborder Araneae Clerck, 1757 - tailless spiders
                                                                            
 Infraorder Opisthothelae Pocock, 1892 - unsegmented spiders
                                                                              
 Clade Araneomorphae Smith, 1902
                                                                                
 Clade "cylindrical gland [CY] spigot clade" Wheeler et al., 2017
                                                                                  
 Clade Dipneumonomorpha
                                                                                    
 Clade Entelegynae Simon, 1893
                                                                                      
 Superfamily Araneoidea Clerck, 1757
                                                                                        
 Family Araneidaeᵀ Clerck, 1757 - orb-weavers
                                                                                          
 Genus Singa Koch, 1836
                                                                                            
 01 Singa albobivittata Caporiacco, 1947
                                                                                            
 02 Singa albodorsata Kauri, 1950
                                                                                            
 03 Singa alpigena Yin, Wang & Li, 1983
                                                                                            
 04 Singa alpigenoides Song & Zhu, 1992
                                                                                            
 05 Singa ammophila Levy, 2007
                                                                                            
 06 Singa aussereri Thorell, 1873
                                                                                            
 07 Singa bifasciata Schenkel, 1936
                                                                                            
 08 Singa chota Tikader, 1970
                                                                                            
 09 Singa concinna Karsch, 1884
                                                                                            
 10 Singa cruciformis Yin, Peng & Wang, 1994
                                                                                            
 11 Singa cyanea (Worley, 1928)
                                                                                            
 12 Singa eugeni Levi, 1972
                                                                                            
 13 Singa haddooensis Tikader, 1977
                                                                                            
 14 Singa hamataᵀ (C. Clerck, 1757) C.L. Koch, 1836
                                                                                            
 15 Singa hilira Barrion & Litsinger, 1995
                                                                                            
 16 Singa kansuensis Schenkel, 1936
                                                                                            
 17 Singa keyserlingi McCook, 1894
                                                                                            
 18 Singa lawrencei (Lessert, 1930)
                                                                                            
 19 Singa leucoplagiata (Simon, 1899)
                                                                                            
 20 Singa lucina (Audouin, 1826)
                                                                                            
 21 Singa myrrhea (Simon, 1895)
                                                                                            
 22 Singa neta (O. P.-Cambridge, 1872)
                                                                                            
 23 Singa nitidula C.L. Koch, 1844
                                                                                            
 24 Singa perpolita (Thorell, 1892)
                                                                                            
 25 Singa semiatra L. Koch, 1867
                                                                                            
 26 Singa simoniana Costa, 1885
                                                                                            
 27 Singa theodori (Thorell, 1894)