[Phylum] [Arthropoda] Siebold, 1848 - arthropods
Chelicerata Heymons, 1901
Euchelicerata Weygoldt & Paulus, 1979
Pantetrapulmonata Shultz, 2007
[Order] Araneida Clerck, 1757 - spiders
[Suborder] Araneae Clerck, 1757 - tailless spiders
[Infraorder] Opisthothelae Pocock, 1892 - unsegmented spiders
Araneomorphae Smith, 1902
CY Spigot Clade Wheeler et al., 2017
Entelegynae Simon, 1893
Superfamily Araneoidea Clerck, 1757
01 Genus †Mesarania Hong, 1984
02 Family †Megasetidae Wunderlich, 2021 [monotypic]
03 Family †Praetheridiidae Wunderlich, 2004 [monotypic]
04 Family †Protheridiidae Wunderlich, 2004 [monotypic]
05 Family †Leviunguidae Wunderlich, 2018 [monotypic]
06 Family Theridiidae Sundevall, 1833 - cobweb and widow spiders
07 Family Theridiosomatidae Simon, 1881
08 Family †Cretamysmenidae Wunderlich, 2018 [monotypic]
09 Family Mysmenidae Petrunkevitch, 1928
10 Family †Baltsuccinidae Wunderlich, 2004 [monotypic]
11 Family Symphytognathidae Hickman, 1931
12 Family Anapidae Simon, 1895
13 Family †Juraraneidae Eskov, 1984 [monotypic]
14 Family †Zarqaraneidae Wunderlich, 2008
15 Family Araneidae Clerck, 1757 - orb-weavers
16 Family Malkaridae Davies, 1980
17 Family Mimetidae Simon, 1881
18 Family Arkyidae Koch, 1872
19 Family Tetragnathidae Menge, 1866 - orb-weavers
20 Family Synotaxidae Simon, 1894
21 Family Nesticidae Simon, 1894
22 Family Cyatholipidae Simon, 1894
23 Family Physoglenidae Petrunkevitch, 1928
24 Family Pimoidae Wunderlich, 1986
25 Family Pumiliopimoidae Wunderlich, 2008
26 Family Linyphiidae Blackwall, 1859 - sheet-web spinners