| 2021-03-09 | Taxonomic reference added from other taxon | Pseudicius picaceus (Simon, 1868) | Mediterranean to Azerbaijan | (Old value) | Dimitrov & Naumova, 2021 |
| 2021-03-09 | Taxonomic reference assigned to new taxon | Pseudicius cultrifer Caporiacco, 1948 | Greece (Rhodes) | Taxonomic reference entry assigned to Pseudicius picaceus (Simon, 1868) | Dimitrov & Naumova, 2021 |
| 2021-03-09 | New taxonomic reference entry | Pseudicius picaceus (Simon, 1868) | Mediterranean to Azerbaijan | | Dimitrov & Naumova, 2021 |
| 2021-03-09 | New taxonomic reference entry | Pholcus crassipalpis Spassky, 1937 | Bulgaria, Ukraine, Russia (Europe, Caucasus), Turkey, Kazakhstan | | Dimitrov & Naumova, 2021 |
| 2021-03-09 | Species distribution update | Pholcus crassipalpis Spassky, 1937 | Bulgaria, Ukraine, Russia (Europe, Caucasus), Turkey, Kazakhstan | (Old value) | Dimitrov & Naumova, 2021 |
| 2021-03-09 | New taxonomic reference entry | Sestakovaia annulipes (Kulczyński, 1897) | Slovakia, Hungary, Croatia, Serbia, Bulgaria, Turkey, Ukraine | | Dimitrov & Naumova, 2021 |
| 2021-03-09 | Species distribution update | Sestakovaia annulipes (Kulczyński, 1897) | Slovakia, Hungary, Croatia, Serbia, Bulgaria, Turkey, Ukraine | (Old value) | Dimitrov & Naumova, 2021 |
| 2021-03-09 | New taxonomic reference entry | Scutpelecopsis loricata Duma & Tanasevitch, 2011 | Romania, Bulgaria | | Dimitrov & Naumova, 2021 |
| 2021-03-09 | Species distribution update | Scutpelecopsis loricata Duma & Tanasevitch, 2011 | Romania, Bulgaria | (Old value) | Dimitrov & Naumova, 2021 |
| 2021-03-09 | New taxonomic reference entry | Pelecopsis laptevi Tanasevitch & Fet, 1986 | North Macedonia, Bulgaria, Ukraine, Iran, Kazakhstan, Turkmenistan | | Dimitrov & Naumova, 2021 |
| 2021-03-09 | Species distribution update | Pelecopsis laptevi Tanasevitch & Fet, 1986 | North Macedonia, Bulgaria, Ukraine, Iran, Kazakhstan, Turkmenistan | (Old value) | Dimitrov & Naumova, 2021 |
| 2021-03-09 | New taxonomic reference entry | Zelotes segrex (Simon, 1878) | Europe, Turkey, Caucasus, Russia (Europe) to Central Asia | | Dimitrov & Naumova, 2021 |
| 2021-03-09 | New taxonomic reference entry | Zelotes boluensis Wunderlich, 2011 | Bulgaria, Turkey | | Dimitrov & Naumova, 2021 |
| 2021-03-09 | Species distribution update | Zelotes boluensis Wunderlich, 2011 | Bulgaria, Turkey | (Old value) | Dimitrov & Naumova, 2021 |
| 2021-03-09 | New taxonomic reference entry | Drassodes caspius Ponomarev & Tsvetkov, 2006 | Bulgaria, Turkey, Russia (Europe, Caucasus), Azerbaijan, Kazakhstan | | Dimitrov & Naumova, 2021 |
| 2021-03-09 | Species distribution update | Drassodes caspius Ponomarev & Tsvetkov, 2006 | Bulgaria, Turkey, Russia (Europe, Caucasus), Azerbaijan, Kazakhstan | (Old value) | Dimitrov & Naumova, 2021 |
| 2021-03-09 | New taxonomic reference entry | Clubiona mykolai Mikhailov, 2003 | Bulgaria, Ukraine | | Dimitrov & Naumova, 2021 |
| 2021-03-09 | Species distribution update | Clubiona mykolai Mikhailov, 2003 | Bulgaria, Ukraine | (Old value) | Dimitrov & Naumova, 2021 |
| 2021-03-09 | Reference included | | | Brescovit, Sherwood & Lucas, 2021 |
| 2021-03-09 | New taxonomic reference entry | Diplura sanguinea (F. O. Pickard-Cambridge, 1896) | Colombia, Brazil | | Brescovit, Sherwood & Lucas, 2021 |
| 2021-03-09 | First description of male | Diplura sanguinea (F. O. Pickard-Cambridge, 1896) | Colombia, Brazil | (Old value) | Brescovit, Sherwood & Lucas, 2021 |
| 2021-03-09 | New taxonomic reference entry | Diplura nigra (F. O. Pickard-Cambridge, 1896) | Brazil | | Brescovit, Sherwood & Lucas, 2021 |
| 2021-03-09 | First description of male | Diplura nigra (F. O. Pickard-Cambridge, 1896) | Brazil | (Old value) | Brescovit, Sherwood & Lucas, 2021 |
| 2021-03-09 | Reference included | | | Logunov & Fomichev, 2021 |
| 2021-03-09 | New taxonomic reference entry | Karakumosa zyuzini Logunov & Ponomarev, 2020 | Iran, Uzbekistan | | Logunov & Fomichev, 2021 |
| 2021-03-09 | New taxonomic reference entry | Karakumosa turanica Logunov & Ponomarev, 2020 | Iran, Turkmenistan | | Logunov & Fomichev, 2021 |
| 2021-03-09 | New taxonomic reference entry | Karakumosa reshetnikovi Logunov & Fomichev, 2021 | Tajikistan | | Logunov & Fomichev, 2021 |
| 2021-03-09 | New species inserted | Karakumosa reshetnikovi Logunov & Fomichev, 2021 | Tajikistan | | Logunov & Fomichev, 2021 |
| 2021-03-09 | Reference included | | | Castanheira & Baptista, 2021a |
| 2021-03-09 | Species distribution update | Tetragnatha caudicula (Karsch, 1879) | Russia (Far East), China, Korea, Taiwan, Japan, Mexico | (Old value) | Castanheira & Baptista, 2021a |
| 2021-03-09 | Taxonomic reference added from other taxon | Tetragnatha caudicula (Karsch, 1879) | Russia (Far East), China, Korea, Taiwan, Japan, Mexico | (Old value) | |
| 2021-03-09 | Taxonomic reference assigned to new taxon | Tetragnatha caudata Emerton, 1884 | North, Central America, Cuba, Jamaica, Uruguay, Argentina | Taxonomic reference entry assigned to Tetragnatha caudicula (Karsch, 1879) | |
| 2021-03-09 | New taxonomic reference entry | Tetragnatha aetherea (Simon, 1895) | Venezuela | | Castanheira & Baptista, 2021a |
| 2021-03-09 | New taxonomic reference entry | Tetragnatha paraguayensis (Mello-Leitão, 1939) | Brazil, Paraguay, Argentina | | Castanheira & Baptista, 2021a |
| 2021-03-09 | Species distribution update | Tetragnatha paraguayensis (Mello-Leitão, 1939) | Brazil, Paraguay, Argentina | (Old value) | Castanheira & Baptista, 2021a |
| 2021-03-09 | Species synonymy | Tetragnatha paraguayensis (Mello-Leitão, 1939) | Brazil, Paraguay, Argentina | Tetragnatha australis synonymized with Tetragnatha paraguayensis | Castanheira & Baptista, 2021a |
| 2021-03-09 | Species updated | Tetragnatha australis (Mello-Leitão, 1945) | Argentina | Status: Synonym (Old value) | Castanheira & Baptista, 2021a |
| 2021-03-09 | New taxonomic reference entry | Tetragnatha caudata Emerton, 1884 | North, Central America, Cuba, Jamaica, Uruguay, Argentina | | Castanheira & Baptista, 2021a |
| 2021-03-09 | Species distribution update | Tetragnatha caudata Emerton, 1884 | North, Central America, Cuba, Jamaica, Uruguay, Argentina | (Old value) | Castanheira & Baptista, 2021a |
| 2021-03-05 | New taxonomic reference entry | Styloctetor austerus (L. Koch, 1884) | Alps (Switzerland, Austria, Italy) | | L. Koch, 1876b |
| 2021-03-05 | Reference included | | | Biurrun, Barrientos & Baquero, 2021 |
| 2021-03-05 | New taxonomic reference entry | Agroeca istia de Biurrun & Barrientos, 2021 | Spain | | Biurrun, Barrientos & Baquero, 2021 |
| 2021-03-05 | New species inserted | Agroeca istia de Biurrun & Barrientos, 2021 | Spain | | Biurrun, Barrientos & Baquero, 2021 |
| 2021-03-04 | Reference included | | | Booysen & Haddad, 2021 |
| 2021-03-04 | New taxonomic reference entry | Micaria tersissima Simon, 1910 | South Africa | | Booysen & Haddad, 2021 |
| 2021-03-04 | New taxonomic reference entry | Micaria scutellata Booysen & Haddad, 2021 | South Africa | | Booysen & Haddad, 2021 |
| 2021-03-04 | New taxonomic reference entry | Micaria sanipass Booysen & Haddad, 2021 | South Africa | | Booysen & Haddad, 2021 |
| 2021-03-04 | New species inserted | Micaria scutellata Booysen & Haddad, 2021 | South Africa | | Booysen & Haddad, 2021 |
| 2021-03-04 | New species inserted | Micaria sanipass Booysen & Haddad, 2021 | South Africa | | Booysen & Haddad, 2021 |
| 2021-03-04 | New taxonomic reference entry | Micaria rivonosy Booysen & Haddad, 2021 | Madagascar | | Booysen & Haddad, 2021 |