| 2021-05-12 | New species inserted | Pholcus gaizhou Yao & Li, 2021 | China | | Yao, Wang & Li, 2021 |
| 2021-05-12 | New taxonomic reference entry | Pholcus foliaceus Peng & Zhang, 2013 | China | | Yao, Wang & Li, 2021 |
| 2021-05-12 | New taxonomic reference entry | Pholcus fengcheng Zhang & Zhu, 2009 | China | | Yao, Wang & Li, 2021 |
| 2021-05-12 | New taxonomic reference entry | Pholcus decorus Yao & Li, 2012 | China | | Yao, Wang & Li, 2021 |
| 2021-05-12 | Reference included | | | Wilson et al., 2021a |
| 2021-05-12 | New taxonomic reference entry | Cryptoforis zophera Wilson, Raven & Rix, 2021 | Australia (Victoria) | | Wilson et al., 2021a |
| 2021-05-12 | New taxonomic reference entry | Cryptoforis xenophila Wilson, Raven & Rix, 2021 | Australia (Tasmania) | | Wilson et al., 2021a |
| 2021-05-12 | New taxonomic reference entry | Cryptoforis woondum Wilson, Raven & Rix, 2021 | Australia (Queensland) | | Wilson et al., 2021a |
| 2021-05-12 | New species inserted | Cryptoforis zophera Wilson, Raven & Rix, 2021 | Australia (Victoria) | | Wilson et al., 2021a |
| 2021-05-12 | New species inserted | Cryptoforis xenophila Wilson, Raven & Rix, 2021 | Australia (Tasmania) | | Wilson et al., 2021a |
| 2021-05-12 | New species inserted | Cryptoforis woondum Wilson, Raven & Rix, 2021 | Australia (Queensland) | | Wilson et al., 2021a |
| 2021-05-12 | New taxonomic reference entry | Cryptoforis victoriensis (Main, 1995) | Australia (Victoria) | | Wilson et al., 2021a |
| 2021-05-12 | New taxonomic reference entry | Cryptoforis tasmanica (Hickman, 1928) | Australia (Tasmania) | | Wilson et al., 2021a |
| 2021-05-12 | New taxonomic reference entry | Cryptoforis monteithi Wilson, Raven & Rix, 2021 | Australia (Queensland) | | Wilson et al., 2021a |
| 2021-05-12 | New taxonomic reference entry | Cryptoforis montana Wilson, Raven & Rix, 2021 | Australia (Queensland) | | Wilson et al., 2021a |
| 2021-05-12 | New taxonomic reference entry | Cryptoforis mainae Wilson, Raven & Rix, 2021 | Australia (Queensland, New South Wales) | | Wilson et al., 2021a |
| 2021-05-12 | New taxonomic reference entry | Cryptoforis hickmani Wilson, Raven & Rix, 2021 | Australia (Tasmania) | | Wilson et al., 2021a |
| 2021-05-12 | New species inserted | Cryptoforis monteithi Wilson, Raven & Rix, 2021 | Australia (Queensland) | | Wilson et al., 2021a |
| 2021-05-12 | New species inserted | Cryptoforis montana Wilson, Raven & Rix, 2021 | Australia (Queensland) | | Wilson et al., 2021a |
| 2021-05-12 | New species inserted | Cryptoforis mainae Wilson, Raven & Rix, 2021 | Australia (Queensland, New South Wales) | | Wilson et al., 2021a |
| 2021-05-12 | New species inserted | Cryptoforis hickmani Wilson, Raven & Rix, 2021 | Australia (Tasmania) | | Wilson et al., 2021a |
| 2021-05-12 | New taxonomic reference entry | Cryptoforis grayi Wilson, Raven & Rix, 2021 | Australia (New South Wales) | | Wilson et al., 2021a |
| 2021-05-12 | New taxonomic reference entry | Cryptoforis fallax Wilson, Raven & Rix, 2021 | Australia (New South Wales) | | Wilson et al., 2021a |
| 2021-05-12 | New taxonomic reference entry | Cryptoforis cooloola Wilson, Raven & Rix, 2021 | Australia (Queensland) | | Wilson et al., 2021a |
| 2021-05-12 | New taxonomic reference entry | Cryptoforis celata Wilson, Raven & Rix, 2021 | Australia (New South Wales) | | Wilson et al., 2021a |
| 2021-05-12 | New species inserted | Cryptoforis grayi Wilson, Raven & Rix, 2021 | Australia (New South Wales) | | Wilson et al., 2021a |
| 2021-05-12 | New species inserted | Cryptoforis fallax Wilson, Raven & Rix, 2021 | Australia (New South Wales) | | Wilson et al., 2021a |
| 2021-05-12 | New species inserted | Cryptoforis cooloola Wilson, Raven & Rix, 2021 | Australia (Queensland) | | Wilson et al., 2021a |
| 2021-05-12 | New species inserted | Cryptoforis celata Wilson, Raven & Rix, 2021 | Australia (New South Wales) | | Wilson et al., 2021a |
| 2021-05-12 | New taxonomic reference entry | Cryptoforis cassisi Wilson, Raven & Rix, 2021 | Australia (New South Wales) | | Wilson et al., 2021a |
| 2021-05-12 | New taxonomic reference entry | Cryptoforis cairncross Wilson, Raven & Rix, 2021 | Australia (Queensland) | | Wilson et al., 2021a |
| 2021-05-12 | New taxonomic reference entry | Cryptoforis arenaria Wilson, Raven & Rix, 2021 | Australia (Queensland) | | Wilson et al., 2021a |
| 2021-05-12 | New taxonomic reference entry | Cryptoforis absona Wilson, Raven & Rix, 2021 | Australia (New South Wales) | | Wilson et al., 2021a |
| 2021-05-12 | New species inserted | Cryptoforis cassisi Wilson, Raven & Rix, 2021 | Australia (New South Wales) | | Wilson et al., 2021a |
| 2021-05-12 | New species inserted | Cryptoforis cairncross Wilson, Raven & Rix, 2021 | Australia (Queensland) | | Wilson et al., 2021a |
| 2021-05-12 | New species inserted | Cryptoforis arenaria Wilson, Raven & Rix, 2021 | Australia (Queensland) | | Wilson et al., 2021a |
| 2021-05-12 | New species inserted | Cryptoforis absona Wilson, Raven & Rix, 2021 | Australia (New South Wales) | | Wilson et al., 2021a |
| 2021-05-12 | New taxonomic reference entry | Cryptoforis hughesae Wilson, Rix & Raven, 2020 | Australia (Queensland) | | Wilson et al., 2021a |
| 2021-05-12 | Family updated | Gnaphosidae | Error corrected (Old value) | |
| 2021-05-11 | Reference included | | | Huang et al., 2021b |
| 2021-05-11 | New taxonomic reference entry | Ischnothyreus yueluensis Yin & Wang, 1984 | China | | Huang et al., 2021b |
| 2021-05-11 | New taxonomic reference entry | Ischnothyreus yunlong Tong & Li, 2021 | China | | Huang et al., 2021b |
| 2021-05-11 | New species inserted | Ischnothyreus yunlong Tong & Li, 2021 | China | | Huang et al., 2021b |
| 2021-05-11 | Genus updated | Histopona Thorell, 1870 | Error corrected (Old value) | |
| 2021-05-11 | Family updated | Oxyopidae | Error corrected (Old value) | |
| 2021-05-10 | Family updated | Hersiliidae | Error corrected (Old value) | |
| 2021-05-10 | Reference included | | | Perger & Rubio, 2021b |
| 2021-05-10 | New taxonomic reference entry | Myrmecotypus haddadi Perger & Rubio, 2021 | Bolivia | | Perger & Rubio, 2021b |
| 2021-05-10 | New species inserted | Myrmecotypus haddadi Perger & Rubio, 2021 | Bolivia | | Perger & Rubio, 2021b |
| 2021-05-09 | Species distribution update | Icius hamatus (C. L. Koch, 1846) | Atlantic Is., North Africa, Southern Europe, Turkey, Georgia. Introduced to Western and Central Europe | (Old value) | Rozwałka & Czaja, 2021b |