| Date | Type | Reference | Taxon | Comment |
|---|---|---|---|---|
| 2021-12-15 | Species distribution update | Al-Yacoub, Al-Abbad & Kareem, 2021b | Pterotricha kovblyuki Zamani & Marusik, 2018 - United Arab Emirates, Iraq, Iran | (previous value) |
| 2021-12-14 | Species distribution update | Trotta, 2005 | Xysticus ibex Simon, 1875 - Spain, France, Italy | (previous value) |
| 2021-12-14 | Reference included | Coşar & Danışman, 2021d | ||
| 2021-12-14 | New taxonomic reference entry | Coşar & Danışman, 2021d | Ozyptila patellibidens Levy, 1999 - Turkey, Israel, Iran | |
| 2021-12-14 | New taxonomic reference entry | Coşar & Danışman, 2021d | Ozyptila kahramanmarasensis Coşar & Danışman, 2021 - Turkey | |
| 2021-12-14 | New species inserted | Coşar & Danışman, 2021d | Ozyptila kahramanmarasensis Coşar & Danışman, 2021 - Turkey | |
| 2021-12-13 | Reference included | Zamani, 2021 | ||
| 2021-12-13 | New taxonomic reference entry | Zamani, 2021 | Draconarius nathiagalicus Zamani, 2021 - Pakistan | |
| 2021-12-13 | New species inserted | Zamani, 2021 | Draconarius nathiagalicus Zamani, 2021 - Pakistan | |
| 2021-12-13 | Taxonomic reference update | Metazygia rogenhoferi (Keyserling, 1878) - Brazil | (previous value) | |
| 2021-12-13 | Taxonomic reference update | Hypsosinga rubens (Hentz, 1847) - USA, Canada | (previous value) | |
| 2021-12-13 | Taxonomic reference update | Cyclosa turbinata (Walckenaer, 1841) - USA to Panama, West Indies, Galapagos Is. Introduced to Hawaii | (previous value) | |
| 2021-12-13 | Taxonomic reference update | Araneus stabilis (Keyserling, 1893) - Brazil, Argentina | (previous value) | |
| 2021-12-13 | Species updated | Araneus stabilis (Keyserling, 1893) - Brazil, Argentina | Error corrected (previous value) | |
| 2021-12-13 | Taxonomic reference update | Araneus pratensis (Emerton, 1884) - USA, Canada | (previous value) | |
| 2021-12-13 | Taxonomic reference update | Araneus habilis (O. Pickard-Cambridge, 1889) - Mexico to Guatemala | (previous value) | |
| 2021-12-13 | New taxonomic reference entry | Emerton, 1919a | Clubiona pikei Gertsch, 1941 - USA, Canada | |
| 2021-12-11 | Reference included | Coşar, 2021e | ||
| 2021-12-11 | New taxonomic reference entry | Coşar, 2021e | Ceratinella brevis (Wider, 1834) - Europe, Russia (Europe to Far East), Caucasus, Turkey, Iran, Central Asia, China, Korea, Japan | |
| 2021-12-11 | New taxonomic reference entry | Coşar, 2021e | Ceratinella scabrosa (O. Pickard-Cambridge, 1871) - Europe, Turkey, Caucasus, Russia (Europe to Far East) | |
| 2021-12-11 | Species distribution update | Coşar, 2021e | Ceratinella scabrosa (O. Pickard-Cambridge, 1871) - Europe, Turkey, Caucasus, Russia (Europe to Far East) | (previous value) |
| 2021-12-11 | Species distribution update | Coşar & Danışman, 2021d | Ozyptila patellibidens Levy, 1999 - Turkey, Israel, Iran | (previous value) |
| 2021-12-11 | Reference included | Brescovit et al., 2021 | ||
| 2021-12-11 | New taxonomic reference entry | Brescovit et al., 2021 | Ochyrocera rosinha Brescovit, Zampaulo, Pedroso & Cizauskas, 2021 - Brazil | |
| 2021-12-11 | New taxonomic reference entry | Brescovit et al., 2021 | Ochyrocera monica Brescovit, Zampaulo, Pedroso & Cizauskas, 2021 - Brazil | |
| 2021-12-11 | New taxonomic reference entry | Brescovit et al., 2021 | Ochyrocera magali Brescovit, Zampaulo, Pedroso & Cizauskas, 2021 - Brazil | |
| 2021-12-11 | New taxonomic reference entry | Brescovit et al., 2021 | Ochyrocera dorinha Brescovit, Zampaulo, Pedroso & Cizauskas, 2021 - Brazil | |
| 2021-12-11 | New species inserted | Brescovit et al., 2021 | Ochyrocera rosinha Brescovit, Zampaulo, Pedroso & Cizauskas, 2021 - Brazil | |
| 2021-12-11 | New species inserted | Brescovit et al., 2021 | Ochyrocera monica Brescovit, Zampaulo, Pedroso & Cizauskas, 2021 - Brazil | |
| 2021-12-11 | New species inserted | Brescovit et al., 2021 | Ochyrocera magali Brescovit, Zampaulo, Pedroso & Cizauskas, 2021 - Brazil | |
| 2021-12-11 | New species inserted | Brescovit et al., 2021 | Ochyrocera dorinha Brescovit, Zampaulo, Pedroso & Cizauskas, 2021 - Brazil | |
| 2021-12-10 | Reference included | Ponomarev et al., 2021 | ||
| 2021-12-10 | Species distribution update | Ponomarev et al., 2021 | Liocranoeca spasskyi Ponomarev, 2007 - Bulgaria, Ukraine, Russia (Europe, Caucasus) | (previous value) |
| 2021-12-10 | Species distribution update | Ponomarev et al., 2021 | Trichoncus affinis Kulczyński, 1894 - Europe, Caucasus (Russia, Georgia) | (previous value) |
| 2021-12-10 | Species distribution update | Ponomarev et al., 2021 | Panamomops sulcifrons (Wider, 1834) - Europe, Caucasus (Russia, Georgia) | (previous value) |
| 2021-12-10 | Species distribution update | Ponomarev et al., 2021 | Mecopisthes peusi Wunderlich, 1972 - Europe, Caucasus (Russia, Georgia), Israel | (previous value) |
| 2021-12-10 | Species distribution update | Ponomarev et al., 2021 | Archaraeoncus prospiciens (Thorell, 1875) - Bulgaria, Turkey, Ukraine, Russia (Caucasus, Urals), Azerbaijan, Iran, China | (previous value) |
| 2021-12-10 | Species distribution update | Ponomarev et al., 2021 | Mastigusa arietina (Thorell, 1871) - Europe, Turkey, Russia (Europe, Caucasus, South Siberia), Georgia, Iran | (previous value) |
| 2021-12-10 | Species distribution update | Ponomarev et al., 2021 | Zelotes hermani (Chyzer, 1897) - Central Europe to Russia (Europe, Caucasus), Turkey, Georgia | (previous value) |
| 2021-12-10 | Species distribution update | Ponomarev et al., 2021 | Talanites fagei Spassky, 1938 - Russia (Europe, Caucasus), Azerbaijan, Iran, Kazakhstan, Central Asia | (previous value) |
| 2021-12-10 | Species distribution update | Ponomarev et al., 2021 | Micaria bosmansi Kovblyuk & Nadolny, 2008 - Turkey, Ukraine, Russia (Europe, Caucasus) | (previous value) |
| 2021-12-10 | Species distribution update | Ponomarev et al., 2021 | Titanoeca ukrainica Guryanova, 1992 - Ukraine, Russia (Europe, Caucasus), Georgia, Iran | (previous value) |
| 2021-12-10 | Species distribution update | Ponomarev et al., 2021 | Asagena meridionalis Kulczyński, 1894 - Central to south-eastern and eastern Europe, Caucasus (Russia, Georgia) | (previous value) |
| 2021-12-10 | Species distribution update | Ponomarev et al., 2021 | Pachygnatha clerckoides Wunderlich, 1985 - Albania, North Macedonia, Bulgaria, Russia (Europe, Caucasus), Iran | (previous value) |
| 2021-12-10 | Species distribution update | Ponomarev et al., 2021 | Pardosa alacris (C. L. Koch, 1833) - Europe, Caucasus (Russia), Kazakhstan | (previous value) |
| 2021-12-10 | Species distribution update | Ponomarev et al., 2021 | Haplodrassus dalmatensis (L. Koch, 1866) - Europe, North Africa, Turkey, Caucasus, Middle East, Russia (Europe) to Central Asia | (previous value) |
| 2021-12-10 | Species distribution update | Ponomarev et al., 2021 | Anagraphis pallens Simon, 1893 - Libya, Malta, Greece, Turkey, Israel, Syria, Russia (Europe, Caucasus), Georgia, Azerbaijan, Iran, Kazakhstan, Central Asia | (previous value) |
| 2021-12-10 | Species distribution update | Ponomarev et al., 2021 | Dysdera ukrainensis Charitonov, 1956 - Ukraine, Russia (Europe), Caucasus (Russia, Georgia) | (previous value) |
| 2021-12-10 | Species distribution update | Ponomarev et al., 2021 | Argenna subnigra (O. Pickard-Cambridge, 1861) - Europe, Caucasus (Russia, Azerbaijan), Iran, China | (previous value) |
| 2021-12-10 | Species distribution update | Ponomarev et al., 2021 | Altella hungarica Loksa, 1981 - Hungary, Ukraine, Russia (Europe, Caucasus) | (previous value) |
Log values