| Date | Type | Reference | Taxon | Comment |
|---|---|---|---|---|
| 2026-03-25 | Species distribution update | Marusik & Fomichev, 2026 | Alopecosa borea (Kulczyński, 1908) - Russia (Middle Siberia to Far East) | (previous value) |
| 2026-03-25 | Species updated | Marusik & Fomichev, 2026 | Alopecosa borea (Kulczyński, 1908) - Russia (Middle Siberia to Far East) | (previous value) |
| 2026-03-25 | New taxonomic reference entry | Marusik & Fomichev, 2026 | Gnaphosa borea Kulczyński, 1908 - Russia (Middle Siberia to Far East), North America | |
| 2026-03-25 | New taxonomic reference entry | Marusik & Fomichev, 2026 | Aculepeira carbonarioides (Keyserling, 1892) - Russia (Europe to Far East), Alaska, Canada, USA | |
| 2026-03-25 | Reference included | Tanasevitch, 2026 | ||
| 2026-03-25 | Species distribution update | Tanasevitch, 2026 | Walckenaeria incisa (O. Pickard-Cambridge, 1871) - Europe, Turkey | (previous value) |
| 2026-03-25 | New taxonomic reference entry | Tanasevitch, 2026 | Tenuiphantes mengei (Kulczyński, 1887) - Europe, Caucasus, Russia (Europe to Far East), Kazakhstan, Central Asia, Alaska | |
| 2026-03-25 | New taxonomic reference entry | Tanasevitch, 1990 | Tenuiphantes perseus (van Helsdingen, 1977) - Caucasus (Russia, Georgia, Azerbaijan), Iran | |
| 2026-03-25 | Taxonomic reference update | Tenuiphantes mengei (Kulczyński, 1887) - Europe, Caucasus, Russia (Europe to Far East), Kazakhstan, Central Asia, Alaska | (previous value) | |
| 2026-03-25 | New taxonomic reference entry | Tanasevitch, 2026 | Tenuiphantes perseus (van Helsdingen, 1977) - Caucasus (Russia, Georgia, Azerbaijan), Iran | |
| 2026-03-25 | Reference included | Mikhailov, 2026 | ||
| 2026-03-25 | New taxonomic reference entry | Mikhailov, 2026 | Clubiona temerevae Mikhailov, 2026 - Russia (West Siberia) | |
| 2026-03-25 | New species inserted | Mikhailov, 2026 | Clubiona temerevae Mikhailov, 2026 - Russia (West Siberia) | |
| 2026-03-25 | Reference included | Bariev, 2026 | ||
| 2026-03-25 | New taxonomic reference entry | Bariev, 2026 | Tibellus oblongus (Walckenaer, 1802) - North America, Europe, North Africa, Turkey, Israel, Caucasus, Russia (Europe to Far East), Kazakhstan, Iran, Central Asia, Mongolia, China, Korea, Japan | |
| 2026-03-25 | New taxonomic reference entry | Bariev, 2026 | Tibellus macellus Simon, 1875 - Europe, Turkey, Caucasus, Russia (Europe to Far East), Kazakhstan, Kyrgyzstan | |
| 2026-03-25 | Species distribution update | Bariev, 2026 | Tibellus macellus Simon, 1875 - Europe, Turkey, Caucasus, Russia (Europe to Far East), Kazakhstan, Kyrgyzstan | (previous value) |
| 2026-03-25 | New taxonomic reference entry | Bariev, 2026 | Tibellus maritimus (Menge, 1875) - North America, Europe, Caucasus, Russia (Europe to Far East), Kazakhstan, Central Asia, China | |
| 2026-03-25 | Reference included | Tanasevitch & Marusik, 2026 | ||
| 2026-03-25 | Species transferred to new genus | Tanasevitch & Marusik, 2026 | Arctilaira nivalis (Holm, 1937) - Russia (Europe, North Siberia) | Species transferred from Hilaira Simon, 1884 to Arctilaira Chamberlin, 1921 |
| 2026-03-25 | New taxonomic reference entry | Tanasevitch & Marusik, 2026 | Arctilaira nivalis (Holm, 1937) - Russia (Europe, North Siberia) | |
| 2026-03-25 | New taxonomic reference entry | Tanasevitch & Marusik, 2026 | Arctilaira jamalensis (Eskov, 1981) - Russia (Europe to Far East) | |
| 2026-03-25 | Species transferred to new genus | Tanasevitch & Marusik, 2026 | Arctilaira jamalensis (Eskov, 1981) - Russia (Europe to Far East) | Species transferred from Hilaira Simon, 1884 to Arctilaira Chamberlin, 1921 |
| 2026-03-25 | New taxonomic reference entry | Tanasevitch & Marusik, 2026 | Arctilaira glacialis (Thorell, 1871) - Svalbard, Russia (Europe to Far North East) | |
| 2026-03-25 | Species transferred to new genus | Tanasevitch & Marusik, 2026 | Arctilaira glacialis (Thorell, 1871) - Svalbard, Russia (Europe to Far North East) | Species transferred from Hilaira Simon, 1884 to Arctilaira Chamberlin, 1921 |
| 2026-03-25 | New taxonomic reference entry | Tanasevitch & Marusik, 2026 | Arctilaira gertschi (Holm, 1960) - Russia (North Siberia), Alaska | |
| 2026-03-25 | Species transferred to new genus | Tanasevitch & Marusik, 2026 | Arctilaira gertschi (Holm, 1960) - Russia (North Siberia), Alaska | Species transferred from Hilaira Simon, 1884 to Arctilaira Chamberlin, 1921 |
| 2026-03-25 | New taxonomic reference entry | Tanasevitch & Marusik, 2026 | Arctilaira banini (Marusik & Tanasevitch, 2003) - Mongolia | |
| 2026-03-25 | Species transferred to new genus | Tanasevitch & Marusik, 2026 | Arctilaira banini (Marusik & Tanasevitch, 2003) - Mongolia | Species transferred from Hilaira Simon, 1884 to Arctilaira Chamberlin, 1921 |
| 2026-03-25 | New taxonomic reference entry | Tanasevitch & Marusik, 2026 | Arctilaira vexatrix (O. Pickard-Cambridge, 1877) - Russia (Far North-East), Alaska, Canada, Greenland | |
| 2026-03-25 | Species transferred to new genus | Tanasevitch & Marusik, 2026 | Arctilaira vexatrix (O. Pickard-Cambridge, 1877) - Russia (Far North-East), Alaska, Canada, Greenland | Species transferred from Hilaira Simon, 1884 to Arctilaira Chamberlin, 1921 |
| 2026-03-25 | Species transferred to new genus | Tanasevitch & Marusik, 2026 | Arctilaira whymperi (Jackson, 1933) - Canada | Species transferred from Hilaira Simon, 1884 to Arctilaira Chamberlin, 1921 |
| 2026-03-25 | Species transferred to new genus | Tanasevitch & Marusik, 2026 | Arctilaira ruderalis (Sørensen, 1898) - Greenland | Species transferred from Hilaira Simon, 1884 to Arctilaira Chamberlin, 1921 |
| 2026-03-25 | Species transferred to new genus | Tanasevitch & Marusik, 2026 | Arctilaira curvitarsus (Sørensen, 1898) - Greenland | Species transferred from Hilaira Simon, 1884 to Arctilaira Chamberlin, 1921 |
| 2026-03-25 | Species transferred to new genus | Tanasevitch & Marusik, 2026 | Arctilaira bellans Chamberlin, 1921 - USA (Alaska) | Species transferred from Hilaira Simon, 1884 to Arctilaira Chamberlin, 1921 |
| 2026-03-25 | Genus updated | Tanasevitch & Marusik, 2026 | Hilaira Simon, 1884 | (previous value) |
| 2026-03-25 | New taxonomic reference entry | Tanasevitch & Marusik, 2026 | Arctilaira Chamberlin, 1921 | |
| 2026-03-25 | Genus updated | Tanasevitch & Marusik, 2026 | Arctilaira Chamberlin, 1921 | (previous value) |
| 2026-03-25 | New taxonomic reference entry | Tanasevitch & Marusik, 2026 | Hilaira sibirica Eskov, 1987 - Russia (Middle Siberia to Far East), Mongolia, Alaska, Canada | |
| 2026-03-25 | New taxonomic reference entry | Tanasevitch & Marusik, 2026 | Hilaira herniosa (Thorell, 1875) - Alaska, Canada, USA, Switzerland, Turkey, Scandinavia, Russia (Europe to Far East), Mongolia, Japan | |
| 2026-03-25 | New taxonomic reference entry | Tanasevitch & Marusik, 2026 | Hilaira hyperborea Kulczyński, 1908 - Russia (Middle Siberia) | |
| 2026-03-25 | Species updated | Tanasevitch & Marusik, 2026 | Hilaira hyperborea Kulczyński, 1908 - Russia (Middle Siberia) | (previous value) |
| 2026-03-25 | New taxonomic reference entry | Tanasevitch & Marusik, 2026 | Hilaira proletaria (L. Koch, 1879) - Russia (Europe to Far North-East), Alaska, Canada | |
| 2026-03-25 | New taxonomic reference entry | Tanasevitch & Marusik, 2026 | Hilaira devitata Eskov, 1987 - Russia (Middle Siberia to Far East) | |
| 2026-03-25 | New taxonomic reference entry | Tanasevitch & Marusik, 2026 | Hilaira canaliculata (Emerton, 1915) - Russia (Far North-East to Kurile Is.), Canada, USA | |
| 2026-03-25 | New taxonomic reference entry | Tanasevitch & Marusik, 2026 | Hilaira incondita (L. Koch, 1879) - Russia (Europe to Far North-East), Canada | |
| 2026-03-25 | New taxonomic reference entry | Tanasevitch & Marusik, 2026 | Hilaira gibbosa Tanasevitch, 1982 - Russia (Europe to Far East), Mongolia, Canada | |
| 2026-03-25 | New taxonomic reference entry | Tanasevitch & Marusik, 2026 | Hilaira asiatica Eskov, 1987 - Russia (Middle Siberia to Far North-East) | |
| 2026-03-25 | New taxonomic reference entry | Tanasevitch & Marusik, 2026 | Hilaira excisa (O. Pickard-Cambridge, 1871) - Europe | |
| 2026-03-25 | Type repository inserted | Ono et al., 2026 | Hippasa olivacea (Thorell, 1887) - India, Myanmar |
Log values