| 2021-04-01 | New taxonomic reference entry | Tafana humahuaca Oliveira & Brescovit, 2021 | Argentina | | Oliveira & Brescovit, 2021b |
| 2021-04-01 | New taxonomic reference entry | Tafana kunturmarqa Oliveira & Brescovit, 2021 | Colombia | | Oliveira & Brescovit, 2021b |
| 2021-04-01 | New species inserted | Tafana pastaza Oliveira & Brescovit, 2021 | Ecuador | | Oliveira & Brescovit, 2021b |
| 2021-04-01 | New species inserted | Tafana humahuaca Oliveira & Brescovit, 2021 | Argentina | | Oliveira & Brescovit, 2021b |
| 2021-04-01 | New species inserted | Tafana kunturmarqa Oliveira & Brescovit, 2021 | Colombia | | Oliveira & Brescovit, 2021b |
| 2021-04-01 | New taxonomic reference entry | Tafana quelchi (Pocock, 1895) | Venezuela, Guayana, Brazil | | Oliveira & Brescovit, 2021b |
| 2021-04-01 | Species distribution update | Tafana quelchi (Pocock, 1895) | Venezuela, Guayana, Brazil | (Old value) | Oliveira & Brescovit, 2021b |
| 2021-04-01 | New taxonomic reference entry | Tafana straminea (L. Koch, 1866) | Colombia, Ecuador | | Oliveira & Brescovit, 2021b |
| 2021-04-01 | First description of female | Tafana straminea (L. Koch, 1866) | Colombia, Ecuador | (Old value) | Oliveira & Brescovit, 2021b |
| 2021-04-01 | First description of male | Tafana straminea (L. Koch, 1866) | Colombia, Ecuador | (Old value) | Oliveira & Brescovit, 2021b |
| 2021-04-01 | Species distribution update | Tafana straminea (L. Koch, 1866) | Colombia, Ecuador | (Old value) | Oliveira & Brescovit, 2021b |
| 2021-04-01 | New taxonomic reference entry | Tafana riveti Simon, 1903 | Colombia, Peru, Ecuador | | Oliveira & Brescovit, 2021b |
| 2021-04-01 | Species distribution update | Tafana riveti Simon, 1903 | Colombia, Peru, Ecuador | (Old value) | Oliveira & Brescovit, 2021b |
| 2021-03-31 | Species distribution update | Oxyopes gemellus Thorell, 1891 | Malaysia | (Old value) | Thorell, 1891 |
| 2021-03-30 | Species distribution update | Taranucnus carpaticus Gnelitsa, 2016 | Romania, Ukraine | (Old value) | |
| 2021-03-30 | Species distribution update | Zora distincta Kulczyński, 1915 | Czechia, Slovakia, Poland, Romania, Ukraine | (Old value) | |
| 2021-03-30 | Taxonomic reference update | Walckenaeria languida (Simon, 1915) | Morocco, Algeria, France, Italy, Switzerland, Austria | (Old value) | |
| 2021-03-30 | Reference included | | | Sherwood et al., 2021a |
| 2021-03-30 | Genus updated | Theraphosa Walckenaer, 1805 | Author corrected (Old value) | |
| 2021-03-29 | Reference included | | | Tripathi et al., 2021 |
| 2021-03-29 | New taxonomic reference entry | Menemerus marginatus (Kroneberg, 1875) | Caucasus (Russia, Azerbaijan), Kazakhstan, United Arab Emirates, Iran, Central Asia, Afghanistan, Pakistan, India | | Tripathi et al., 2021 |
| 2021-03-29 | Species distribution update | Menemerus marginatus (Kroneberg, 1875) | Caucasus (Russia, Azerbaijan), Kazakhstan, United Arab Emirates, Iran, Central Asia, Afghanistan, Pakistan, India | (Old value) | Tripathi et al., 2021 |
| 2021-03-28 | Taxonomic reference update | Pterotricha conspersa (O. Pickard-Cambridge, 1872) | Libya, Egypt, Israel | (Old value) | |
| 2021-03-28 | Taxonomic reference added from other taxon | Pterotricha dalmasi Fage, 1929 | Algeria, Egypt, Sudan, Israel, Jordan, Saudi Arabia, United Arab Emirates, Iraq, Iran | (Old value) | |
| 2021-03-28 | Taxonomic reference assigned to new taxon | Pterotricha conspersa (O. Pickard-Cambridge, 1872) | Libya, Egypt, Israel | Taxonomic reference entry assigned to Pterotricha dalmasi Fage, 1929 | |
| 2021-03-27 | Reference included | | | Schubert, 2021 |
| 2021-03-27 | New taxonomic reference entry | Maratus nemo Schubert, 2021 | Australia (South Australia) | | Schubert, 2021 |
| 2021-03-27 | New species inserted | Maratus nemo Schubert, 2021 | Australia (South Australia) | | Schubert, 2021 |
| 2021-03-26 | Reference included | | | Akpınar, 2017 |
| 2021-03-26 | New taxonomic reference entry | Thanatus coloradensis Keyserling, 1880 | North America, Europe, Turkey, Russia (Caucasus to Far East), Kazakhstan, China | | Akpınar, 2017 |
| 2021-03-26 | Species distribution update | Thanatus coloradensis Keyserling, 1880 | North America, Europe, Turkey, Russia (Caucasus to Far East), Kazakhstan, China | (Old value) | Akpınar, 2017 |
| 2021-03-26 | Reference included | | | Akpınar & Ceyhan, 2020 |
| 2021-03-26 | New taxonomic reference entry | Pterotricha pseudoparasyriaca Nuruyeva & Huseynov, 2016 | Turkey, Azerbaijan, Iran | | Akpınar & Ceyhan, 2020 |
| 2021-03-26 | Reference included | | | Akpınar, 2019 |
| 2021-03-26 | New taxonomic reference entry | Paracedicus baram Levy, 2007 | Turkey, Israel | | Akpınar, 2019 |
| 2021-03-26 | Species distribution update | Paracedicus baram Levy, 2007 | Turkey, Israel | (Old value) | Akpınar, 2019 |
| 2021-03-26 | Reference included | | | Martínez & Gutierrez, 2021 |
| 2021-03-26 | New taxonomic reference entry | Fernandezina eduardoi Cala-Riquelme, Quijano-Cuervo & Sabogal-Gonzáles, 2018 | Colombia | | Martínez & Gutierrez, 2021 |
| 2021-03-26 | New taxonomic reference entry | Fernandezina grismadoi Martínez & Gutierrez, 2021 | Colombia | | Martínez & Gutierrez, 2021 |
| 2021-03-26 | New species inserted | Fernandezina grismadoi Martínez & Gutierrez, 2021 | Colombia | | Martínez & Gutierrez, 2021 |
| 2021-03-26 | Species distribution update | Ozyptila judaea Levy, 1975 | Egypt, Israel | (Old value) | Levy, 1991 |
| 2021-03-25 | Reference included | | | Marusik & Mikhailov, 2021 |
| 2021-03-25 | New taxonomic reference entry | Ozyptila lugubris (Kroneberg, 1875) | Kazakhstan, Iran, Turkmenistan, Uzbekistan | | Simon, 1889l |
| 2021-03-25 | New taxonomic reference entry | Ozyptila tuberosa (Thorell, 1875) | Ukraine, Russia (Europe), Caucasus, Turkey, Kazakhstan, Bulgaria? | | Marusik & Logunov, 1990 |
| 2021-03-25 | Taxonomic reference added from other taxon | Ozyptila tuberosa (Thorell, 1875) | Ukraine, Russia (Europe), Caucasus, Turkey, Kazakhstan, Bulgaria? | (Old value) | |
| 2021-03-25 | Taxonomic reference assigned to new taxon | Ozyptila lugubris (Kroneberg, 1875) | Kazakhstan, Iran, Turkmenistan, Uzbekistan | Taxonomic reference entry assigned to Ozyptila tuberosa (Thorell, 1875) | |
| 2021-03-25 | New taxonomic reference entry | Ozyptila inaequalis (Kulczyński, 1901) | Kazakhstan, China | | Marusik & Mikhailov, 2021 |
| 2021-03-25 | Species distribution update | Ozyptila inaequalis (Kulczyński, 1901) | Kazakhstan, China | (Old value) | Marusik & Mikhailov, 2021 |
| 2021-03-25 | Taxonomic reference added from other taxon | Ozyptila tuberosa (Thorell, 1875) | Ukraine, Russia (Europe), Caucasus, Turkey, Kazakhstan, Bulgaria? | (Old value) | |
| 2021-03-25 | Taxonomic reference assigned to new taxon | Ozyptila lugubris (Kroneberg, 1875) | Kazakhstan, Iran, Turkmenistan, Uzbekistan | Taxonomic reference entry assigned to Ozyptila tuberosa (Thorell, 1875) | |