| 2021-12-13 | Taxonomic reference update | Cyclosa turbinata (Walckenaer, 1841) | USA to Panama, West Indies, Galapagos Is. Introduced to Hawaii | (Old value) | |
| 2021-12-13 | Taxonomic reference update | Araneus stabilis (Keyserling, 1893) | Brazil, Argentina | (Old value) | |
| 2021-12-13 | Species updated | Araneus stabilis (Keyserling, 1893) | Brazil, Argentina | Error corrected (Old value) | |
| 2021-12-13 | Taxonomic reference update | Araneus pratensis (Emerton, 1884) | USA, Canada | (Old value) | |
| 2021-12-13 | Taxonomic reference update | Araneus habilis (O. Pickard-Cambridge, 1889) | Mexico to Guatemala | (Old value) | |
| 2021-12-13 | New taxonomic reference entry | Clubiona pikei Gertsch, 1941 | USA, Canada | | Emerton, 1919a |
| 2021-12-11 | Reference included | | | Coşar, 2021e |
| 2021-12-11 | New taxonomic reference entry | Ceratinella brevis (Wider, 1834) | Europe, Russia (Europe to Far East), Caucasus, Turkey, Iran, Central Asia, China, Korea, Japan | | Coşar, 2021e |
| 2021-12-11 | New taxonomic reference entry | Ceratinella scabrosa (O. Pickard-Cambridge, 1871) | Europe, Turkey, Caucasus, Russia (Europe to Far East) | | Coşar, 2021e |
| 2021-12-11 | Species distribution update | Ceratinella scabrosa (O. Pickard-Cambridge, 1871) | Europe, Turkey, Caucasus, Russia (Europe to Far East) | (Old value) | Coşar, 2021e |
| 2021-12-11 | Species distribution update | Ozyptila patellibidens Levy, 1999 | Turkey, Israel, Iran | (Old value) | Coşar & Danışman, 2021d |
| 2021-12-11 | Reference included | | | Brescovit et al., 2021 |
| 2021-12-11 | New taxonomic reference entry | Ochyrocera rosinha Brescovit, Zampaulo, Pedroso & Cizauskas, 2021 | Brazil | | Brescovit et al., 2021 |
| 2021-12-11 | New taxonomic reference entry | Ochyrocera monica Brescovit, Zampaulo, Pedroso & Cizauskas, 2021 | Brazil | | Brescovit et al., 2021 |
| 2021-12-11 | New taxonomic reference entry | Ochyrocera magali Brescovit, Zampaulo, Pedroso & Cizauskas, 2021 | Brazil | | Brescovit et al., 2021 |
| 2021-12-11 | New taxonomic reference entry | Ochyrocera dorinha Brescovit, Zampaulo, Pedroso & Cizauskas, 2021 | Brazil | | Brescovit et al., 2021 |
| 2021-12-11 | New species inserted | Ochyrocera rosinha Brescovit, Zampaulo, Pedroso & Cizauskas, 2021 | Brazil | | Brescovit et al., 2021 |
| 2021-12-11 | New species inserted | Ochyrocera monica Brescovit, Zampaulo, Pedroso & Cizauskas, 2021 | Brazil | | Brescovit et al., 2021 |
| 2021-12-11 | New species inserted | Ochyrocera magali Brescovit, Zampaulo, Pedroso & Cizauskas, 2021 | Brazil | | Brescovit et al., 2021 |
| 2021-12-11 | New species inserted | Ochyrocera dorinha Brescovit, Zampaulo, Pedroso & Cizauskas, 2021 | Brazil | | Brescovit et al., 2021 |
| 2021-12-10 | Reference included | | | Ponomarev et al., 2021 |
| 2021-12-10 | Species distribution update | Liocranoeca spasskyi Ponomarev, 2007 | Bulgaria, Ukraine, Russia (Europe, Caucasus) | (Old value) | Ponomarev et al., 2021 |
| 2021-12-10 | Species distribution update | Trichoncus affinis Kulczyński, 1894 | Europe, Caucasus (Russia, Georgia) | (Old value) | Ponomarev et al., 2021 |
| 2021-12-10 | Species distribution update | Panamomops sulcifrons (Wider, 1834) | Europe, Caucasus (Russia, Georgia) | (Old value) | Ponomarev et al., 2021 |
| 2021-12-10 | Species distribution update | Mecopisthes peusi Wunderlich, 1972 | Europe, Caucasus (Russia, Georgia), Israel | (Old value) | Ponomarev et al., 2021 |
| 2021-12-10 | Species distribution update | Archaraeoncus prospiciens (Thorell, 1875) | Bulgaria, Turkey, Ukraine, Russia (Caucasus, Urals), Azerbaijan, Iran, China | (Old value) | Ponomarev et al., 2021 |
| 2021-12-10 | Species distribution update | Mastigusa arietina (Thorell, 1871) | Europe, Turkey, Russia (Europe, Caucasus, South Siberia), Georgia, Iran | (Old value) | Ponomarev et al., 2021 |
| 2021-12-10 | Species distribution update | Zelotes hermani (Chyzer, 1897) | Central Europe to Russia (Europe, Caucasus), Turkey, Georgia | (Old value) | Ponomarev et al., 2021 |
| 2021-12-10 | Species distribution update | Talanites fagei Spassky, 1938 | Russia (Europe, Caucasus), Azerbaijan, Iran, Kazakhstan, Central Asia | (Old value) | Ponomarev et al., 2021 |
| 2021-12-10 | Species distribution update | Micaria bosmansi Kovblyuk & Nadolny, 2008 | Turkey, Ukraine, Russia (Europe, Caucasus) | (Old value) | Ponomarev et al., 2021 |
| 2021-12-10 | Species distribution update | Titanoeca ukrainica Guryanova, 1992 | Ukraine, Russia (Europe, Caucasus), Georgia, Iran | (Old value) | Ponomarev et al., 2021 |
| 2021-12-10 | Species distribution update | Asagena meridionalis Kulczyński, 1894 | Central to south-eastern and eastern Europe, Caucasus (Russia, Georgia) | (Old value) | Ponomarev et al., 2021 |
| 2021-12-10 | Species distribution update | Pachygnatha clerckoides Wunderlich, 1985 | Albania, North Macedonia, Bulgaria, Russia (Europe, Caucasus), Iran | (Old value) | Ponomarev et al., 2021 |
| 2021-12-10 | Species distribution update | Pardosa alacris (C. L. Koch, 1833) | Europe, Caucasus (Russia), Kazakhstan | (Old value) | Ponomarev et al., 2021 |
| 2021-12-10 | Species distribution update | Haplodrassus dalmatensis (L. Koch, 1866) | Europe, North Africa, Turkey, Caucasus, Middle East, Russia (Europe) to Central Asia | (Old value) | Ponomarev et al., 2021 |
| 2021-12-10 | Species distribution update | Anagraphis pallens Simon, 1893 | Libya, Malta, Greece, Turkey, Israel, Syria, Russia (Europe, Caucasus), Georgia, Azerbaijan, Iran, Kazakhstan, Central Asia | (Old value) | Ponomarev et al., 2021 |
| 2021-12-10 | Species distribution update | Dysdera ukrainensis Charitonov, 1956 | Ukraine, Russia (Europe), Caucasus (Russia, Georgia) | (Old value) | Ponomarev et al., 2021 |
| 2021-12-10 | Species distribution update | Argenna subnigra (O. Pickard-Cambridge, 1861) | Europe, Caucasus (Russia, Azerbaijan), Iran, China | (Old value) | Ponomarev et al., 2021 |
| 2021-12-10 | Species distribution update | Altella hungarica Loksa, 1981 | Hungary, Ukraine, Russia (Europe, Caucasus) | (Old value) | Ponomarev et al., 2021 |
| 2021-12-09 | New taxonomic reference entry | Hyptiotes paradoxus (C. L. Koch, 1834) | Europe, Turkey, Caucasus, China | | Ponomarev et al., 2021 |
| 2021-12-09 | New taxonomic reference entry | Xysticus lineatus (Westring, 1851) | Europe, Caucasus, Russia (Europe to Central Asia), Kazakhstan, China | | Ponomarev et al., 2021 |
| 2021-12-09 | New taxonomic reference entry | Ozyptila brevipes (Hahn, 1826) | Europe, Russia (Europe to Middle Siberia), Armenia | | Ponomarev et al., 2021 |
| 2021-12-09 | New taxonomic reference entry | Haplodrassus bohemicus Miller & Buchar, 1977 | Czechia, Slovakia, Austria, Hungary, Serbia, North Macedonia, Bulgaria, Greece, Ukraine, Russia (Europe, Caucasus) | | Ponomarev et al., 2021 |
| 2021-12-09 | New taxonomic reference entry | Cryptodrassus hungaricus (Balogh, 1935) | France to Greece and Russia (Europe, Caucasus) | | Ponomarev et al., 2021 |
| 2021-12-09 | Species distribution update | Cryptodrassus hungaricus (Balogh, 1935) | France to Greece and Russia (Europe, Caucasus) | (Old value) | Ponomarev et al., 2021 |
| 2021-12-09 | New taxonomic reference entry | Singa semiatra L. Koch, 1867 | Mediterranean, Ukraine, Russia (Europe, Caucasus), Georgia, Iraq, Iran | | Ponomarev et al., 2021 |
| 2021-12-09 | Species distribution update | Singa semiatra L. Koch, 1867 | Mediterranean, Ukraine, Russia (Europe, Caucasus), Georgia, Iraq, Iran | (Old value) | Ponomarev et al., 2021 |
| 2021-12-09 | New taxonomic reference entry | Zora osetica Ponomarev, 2021 | Russia (Caucasus) | | Ponomarev et al., 2021 |
| 2021-12-09 | New taxonomic reference entry | Tegenaria prisnyi Ponomarev, 2021 | Russia (Caucasus) | | Ponomarev et al., 2021 |
| 2021-12-09 | New species inserted | Zora osetica Ponomarev, 2021 | Russia (Caucasus) | | Ponomarev et al., 2021 |