| 2021-02-15 | New taxonomic reference entry | Yoroa clypeoglandularis Baert, 1984 | New Guinea | | Vanuytven, 2021 |
| 2021-02-15 | New taxonomic reference entry | Gmogala scarabaeus Keyserling, 1890 | New Guinea, Australia | | Vanuytven, 2021 |
| 2021-02-15 | New taxonomic reference entry | Hadrotarsus ornatus Hickman, 1943 | Australia (Tasmania). Introduced to Belgium | | Vanuytven, 2021 |
| 2021-02-15 | New taxonomic reference entry | Zercidium helenense Benoit, 1977 | St. Helena | | Vanuytven, 2021 |
| 2021-02-15 | New taxonomic reference entry | Tidarren argo Knoflach & van Harten, 2001 | Yemen, Chad | | Vanuytven, 2021 |
| 2021-02-15 | New taxonomic reference entry | Echinotheridion levii Ramírez & González, 1999 | Brazil | | Vanuytven, 2021 |
| 2021-02-15 | New taxonomic reference entry | Echinotheridion cartum Levi, 1963 | Brazil, Paraguay, Argentina | | Vanuytven, 2021 |
| 2021-02-15 | Species updated | Argyrodella pusilla (Saaristo, 1978) | Seychelles | Species epithet corrected (Old value) | |
| 2021-02-15 | Species updated | Cataxia cunicularius (Main, 1983) | Australia (Queensland) | Error corrected (Old value) | |
| 2021-02-15 | Reference included | | | Wang et al., 2021b |
| 2021-02-15 | New taxonomic reference entry | Trilacuna wenfeng Tong & Li, 2021 | China | | Wang et al., 2021b |
| 2021-02-15 | New taxonomic reference entry | Trilacuna difeng Tong & Li, 2021 | China | | Wang et al., 2021b |
| 2021-02-15 | New species inserted | Trilacuna wenfeng Tong & Li, 2021 | China | | Wang et al., 2021b |
| 2021-02-15 | New species inserted | Trilacuna difeng Tong & Li, 2021 | China | | Wang et al., 2021b |
| 2021-02-14 | Taxonomic reference added from other taxon | Theridion melanurum Hahn, 1831 | Macaronesia, North Africa, Europe, Turkey, Caucasus, Russia (Europe to Middle Siberia), Middle East. Introduced to USA | (Old value) | |
| 2021-02-14 | Taxonomic reference assigned to new taxon | Theridion mystaceum L. Koch, 1870 | Europe, Turkey, Russia (Europe to South Siberia), China | Taxonomic reference entry assigned to Theridion melanurum Hahn, 1831 | |
| 2021-02-14 | Taxonomic reference added from other taxon | Enoplognatha diodonta Zhu & Zhang, 1992 | Pakistan, India, China | (Old value) | |
| 2021-02-14 | Taxonomic reference assigned to new taxon | Enoplognatha mandibularis (Lucas, 1846) | Europe, North Africa, Turkey, Israel, Russia (Europe) to Central Asia, China | Taxonomic reference entry assigned to Enoplognatha diodonta Zhu & Zhang, 1992 | |
| 2021-02-14 | Taxonomic reference update | Dipoena erythropus (Simon, 1881) | Europe | (Old value) | |
| 2021-02-14 | New taxonomic reference entry | Steatoda albomaculata (De Geer, 1778) | North America, Europe, North Africa, Russia (Europe to Far East), Caucasus, Middle East, Iran, Kazakhstan, Central Asia, India, China, Korea, Japan | | Vanuytven, 2021 |
| 2021-02-13 | Species distribution update | Pandercetes decipiens Pocock, 1899 | Sri Lanka | (Old value) | Bonnet, 1958 |
| 2021-02-13 | Reference included | | | Ballarin, Yamasaki & Su, 2021 |
| 2021-02-13 | New taxonomic reference entry | Gongylidioides angustus Tu & Li, 2006 | Taiwan (Orchid Is./Lanyu) | | Ballarin, Yamasaki & Su, 2021 |
| 2021-02-13 | New taxonomic reference entry | Zoma taiwanica (Zhang, Zhu & Tso, 2006) | Taiwan | | Ballarin, Yamasaki & Su, 2021 |
| 2021-02-13 | Species transferred to new genus | Zoma taiwanica (Zhang, Zhu & Tso, 2006) | Taiwan | Species transferred from Theridiosoma to Zoma | Ballarin, Yamasaki & Su, 2021 |
| 2021-02-12 | New taxonomic reference entry | Theridiosoma triumphale Zhao & Li, 2012 | China (Hainan), Taiwan (Orchid Is./Lanyu) | | Ballarin, Yamasaki & Su, 2021 |
| 2021-02-12 | Species distribution update | Theridiosoma triumphale Zhao & Li, 2012 | China (Hainan), Taiwan (Orchid Is./Lanyu) | (Old value) | Ballarin, Yamasaki & Su, 2021 |
| 2021-02-12 | First description of female | Theridiosoma triumphale Zhao & Li, 2012 | China (Hainan), Taiwan (Orchid Is./Lanyu) | (Old value) | Ballarin, Yamasaki & Su, 2021 |
| 2021-02-12 | New taxonomic reference entry | Brignoliella tao Ballarin & Yamasaki, 2021 | Taiwan (Orchid Is./Lanyu) | | Ballarin, Yamasaki & Su, 2021 |
| 2021-02-12 | New species inserted | Brignoliella tao Ballarin & Yamasaki, 2021 | Taiwan (Orchid Is./Lanyu) | | Ballarin, Yamasaki & Su, 2021 |
| 2021-02-11 | Reference included | | | Lo, Cheng & Lin, 2021 |
| 2021-02-11 | New taxonomic reference entry | Oxyopes taiwanensis Lo, Cheng & Lin, 2021 | Taiwan | | Lo, Cheng & Lin, 2021 |
| 2021-02-11 | New taxonomic reference entry | Oxyopes striagatus Song, 1991 | China, Taiwan | | Lo, Cheng & Lin, 2021 |
| 2021-02-11 | Species distribution update | Oxyopes striagatus Song, 1991 | China, Taiwan | (Old value) | Lo, Cheng & Lin, 2021 |
| 2021-02-11 | New taxonomic reference entry | Oxyopes sertatus L. Koch, 1878 | India, Nepal, China, Taiwan, Korea, Japan | | Lo, Cheng & Lin, 2021 |
| 2021-02-11 | New taxonomic reference entry | Oxyopes macilentus L. Koch, 1878 | Japan, China to Australia | | Lo, Cheng & Lin, 2021 |
| 2021-02-11 | New taxonomic reference entry | Oxyopes hasta Lo, Cheng & Lin, 2021 | Taiwan | | Lo, Cheng & Lin, 2021 |
| 2021-02-11 | New species inserted | Oxyopes taiwanensis Lo, Cheng & Lin, 2021 | Taiwan | | Lo, Cheng & Lin, 2021 |
| 2021-02-11 | New species inserted | Oxyopes hasta Lo, Cheng & Lin, 2021 | Taiwan | | Lo, Cheng & Lin, 2021 |
| 2021-02-11 | New taxonomic reference entry | Oxyopes fujianicus Song & Zhu, 1993 | China, Taiwan | | Lo, Cheng & Lin, 2021 |
| 2021-02-11 | Species distribution update | Oxyopes fujianicus Song & Zhu, 1993 | China, Taiwan | (Old value) | Lo, Cheng & Lin, 2021 |
| 2021-02-08 | Reference included | | | Ihara, Koike & Nakano, 2021 |
| 2021-02-08 | New taxonomic reference entry | Cybaeus hikidai Ihara, Koike & Nakano, 2021 | Japan (Ryukyu Is.) | | Ihara, Koike & Nakano, 2021 |
| 2021-02-08 | New taxonomic reference entry | Cybaeus tokunoshimensis Ihara, Koike & Nakano, 2021 | Japan (Ryukyu Is.) | | Ihara, Koike & Nakano, 2021 |
| 2021-02-08 | New taxonomic reference entry | Cybaeus aikana Ihara, Koike & Nakano, 2021 | Japan (Ryukyu Is.) | | Ihara, Koike & Nakano, 2021 |
| 2021-02-08 | New taxonomic reference entry | Cybaeus amamiensis Ihara, Koike & Nakano, 2021 | Japan (Ryukyu Is.) | | Ihara, Koike & Nakano, 2021 |
| 2021-02-08 | New species inserted | Cybaeus hikidai Ihara, Koike & Nakano, 2021 | Japan (Ryukyu Is.) | | Ihara, Koike & Nakano, 2021 |
| 2021-02-08 | New species inserted | Cybaeus tokunoshimensis Ihara, Koike & Nakano, 2021 | Japan (Ryukyu Is.) | | Ihara, Koike & Nakano, 2021 |
| 2021-02-08 | New species inserted | Cybaeus aikana Ihara, Koike & Nakano, 2021 | Japan (Ryukyu Is.) | | Ihara, Koike & Nakano, 2021 |
| 2021-02-08 | New species inserted | Cybaeus amamiensis Ihara, Koike & Nakano, 2021 | Japan (Ryukyu Is.) | | Ihara, Koike & Nakano, 2021 |