| 2021-01-13 | New taxonomic reference entry | Chaetopelma olivaceum (C. L. Koch, 1841) | Cyprus, Turkey, Sudan, Egypt, Middle East | | Smith, 1991c |
| 2021-01-13 | New taxonomic reference entry | Chaetopelma olivaceum (C. L. Koch, 1841) | Cyprus, Turkey, Sudan, Egypt, Middle East | | Smith, 1991c |
| 2021-01-13 | New taxonomic reference entry | Chaetopelma olivaceum (C. L. Koch, 1841) | Cyprus, Turkey, Sudan, Egypt, Middle East | | Smith, 1991c |
| 2021-01-13 | New taxonomic reference entry | Bolephthyphantes caucasicus (Tanasevitch, 1990) | France, Caucasus (Russia, Azerbaijan) | | Buchar & Růžička, 2002 |
| 2021-01-11 | Reference included | | | Yu et al., 2021a |
| 2021-01-11 | New taxonomic reference entry | Qiongthela yalin Yu, Liu, Zhang, Li & Xu, 2021 | China (Hainan) | | Yu et al., 2021a |
| 2021-01-11 | New taxonomic reference entry | Qiongthela nankai Yu, Liu, Zhang, Li & Xu, 2021 | China (Hainan) | | Yu et al., 2021a |
| 2021-01-11 | New taxonomic reference entry | Qiongthela dongfang Yu, Liu, Zhang, Li & Xu, 2021 | China (Hainan) | | Yu et al., 2021a |
| 2021-01-11 | New species inserted | Qiongthela yalin Yu, Liu, Zhang, Li & Xu, 2021 | China (Hainan) | | Yu et al., 2021a |
| 2021-01-11 | New species inserted | Qiongthela nankai Yu, Liu, Zhang, Li & Xu, 2021 | China (Hainan) | | Yu et al., 2021a |
| 2021-01-11 | New species inserted | Qiongthela dongfang Yu, Liu, Zhang, Li & Xu, 2021 | China (Hainan) | | Yu et al., 2021a |
| 2021-01-11 | Reference included | | | IJland & van Helsdingen, 2011 |
| 2021-01-11 | New taxonomic reference entry | Tetragnatha reimoseri (Roșca, 1939) | France to Poland and Bulgaria, Georgia | | IJland & van Helsdingen, 2011 |
| 2021-01-11 | New taxonomic reference entry | Tetragnatha isidis (Simon, 1880) | Europe, Caucasus, Russia (Europe to Far East), Egypt, Sudan, Uganda, South Africa, Iran, Kazakhstan to India | | IJland & van Helsdingen, 2011 |
| 2021-01-11 | Species distribution update | Tetragnatha reimoseri (Roșca, 1939) | France to Poland and Bulgaria, Georgia | (Old value) | |
| 2021-01-11 | Taxonomic reference added from other taxon | Tetragnatha reimoseri (Roșca, 1939) | France to Poland and Bulgaria, Georgia | (Old value) | |
| 2021-01-11 | Taxonomic reference assigned to new taxon | Tetragnatha isidis (Simon, 1880) | Europe, Caucasus, Russia (Europe to Far East), Egypt, Sudan, Uganda, South Africa, Iran, Kazakhstan to India | Taxonomic reference entry assigned to Tetragnatha reimoseri (Roșca, 1939) | |
| 2021-01-10 | Reference included | | | Nadolny, 2020 |
| 2021-01-10 | New taxonomic reference entry | Heriaeus oblongus Simon, 1918 | Europe, Caucasus, Russia (Europe to South Siberia), Kazakhstan, Central Asia | | Nadolny, 2020 |
| 2021-01-10 | New taxonomic reference entry | Heriaeus horridus Tystshenko, 1965 | Ukraine, Russia (Europe to West Siberia), Kazakhstan, Kyrgyzstan | | Nadolny, 2020 |
| 2021-01-10 | Species distribution update | Heriaeus horridus Tystshenko, 1965 | Ukraine, Russia (Europe to West Siberia), Kazakhstan, Kyrgyzstan | (Old value) | Nadolny, 2020 |
| 2021-01-10 | New taxonomic reference entry | Titanoeca veteranica Herman, 1879 | Central, South-eastern and Eastern Europe, Russia (Europe to South Siberia), Azerbaijan, Kazakhstan, Turkmenistan | | Nadolny, 2020 |
| 2021-01-10 | New taxonomic reference entry | Phlegra bicognata Azarkina, 2004 | Ukraine, Russia (Europe), Kazakhstan | | Nadolny, 2020 |
| 2021-01-10 | New taxonomic reference entry | Heterotrichoncus pusillus (Miller, 1958) | Spain, France, Austria, Czechia, Slovakia, Albania, Ukraine, Russia (Europe) | | Nadolny, 2020 |
| 2021-01-10 | Species distribution update | Heterotrichoncus pusillus (Miller, 1958) | Spain, France, Austria, Czechia, Slovakia, Albania, Ukraine, Russia (Europe) | (Old value) | Nadolny, 2020 |
| 2021-01-10 | New taxonomic reference entry | Clubiona juvenis Simon, 1878 | Europe, Iran, Uzbekistan | | Nadolny, 2020 |
| 2021-01-09 | Reference included | | | Bellvert, Gillespie & Arnedo, 2021 |
| 2021-01-09 | New taxonomic reference entry | Theridion sycorax Bellvert & Arnedo, 2021 | USA (Hawaii) | | Bellvert, Gillespie & Arnedo, 2021 |
| 2021-01-09 | New taxonomic reference entry | Theridion prospero Bellvert & Arnedo, 2021 | USA (Hawaii) | | Bellvert, Gillespie & Arnedo, 2021 |
| 2021-01-09 | New species inserted | Theridion sycorax Bellvert & Arnedo, 2021 | USA (Hawaii) | | Bellvert, Gillespie & Arnedo, 2021 |
| 2021-01-09 | New species inserted | Theridion prospero Bellvert & Arnedo, 2021 | USA (Hawaii) | | Bellvert, Gillespie & Arnedo, 2021 |
| 2021-01-09 | New taxonomic reference entry | Theridion praetextum Simon, 1900 | USA (Hawaii) | | Bellvert, Gillespie & Arnedo, 2021 |
| 2021-01-09 | Species synonymy | Theridion praetextum Simon, 1900 | USA (Hawaii) | Theridion praetextum concolor synonymized with Theridion praetextum | Bellvert, Gillespie & Arnedo, 2021 |
| 2021-01-09 | Species updated | Theridion praetextum concolor Simon, 1900 | Hawaii | Status: Synonym (Old value) | Bellvert, Gillespie & Arnedo, 2021 |
| 2021-01-09 | New taxonomic reference entry | Theridion posticatum Simon, 1900 | USA (Hawaii) | | Bellvert, Gillespie & Arnedo, 2021 |
| 2021-01-09 | New taxonomic reference entry | Theridion perkinsi Simon, 1900 | USA (Hawaii) | | Bellvert, Gillespie & Arnedo, 2021 |
| 2021-01-09 | New taxonomic reference entry | Theridion miranda Bellvert & Arnedo, 2021 | USA (Hawaii) | | Bellvert, Gillespie & Arnedo, 2021 |
| 2021-01-09 | New species inserted | Theridion miranda Bellvert & Arnedo, 2021 | USA (Hawaii) | | Bellvert, Gillespie & Arnedo, 2021 |
| 2021-01-09 | New taxonomic reference entry | Theridion melinum Simon, 1900 | USA (Hawaii) | | Bellvert, Gillespie & Arnedo, 2021 |
| 2021-01-09 | Species synonymy | Theridion melinum Simon, 1900 | USA (Hawaii) | Theridion campestratum synonymized with Theridion melinum | Bellvert, Gillespie & Arnedo, 2021 |
| 2021-01-09 | Species updated | Theridion campestratum Simon, 1900 | Hawaii | Status: Synonym (Old value) | Bellvert, Gillespie & Arnedo, 2021 |
| 2021-01-09 | New taxonomic reference entry | Theridion mauiense Simon, 1900 | USA (Hawaii) | | Bellvert, Gillespie & Arnedo, 2021 |
| 2021-01-09 | New taxonomic reference entry | Theridion kauaiense Simon, 1900 | USA (Hawaii) | | Bellvert, Gillespie & Arnedo, 2021 |
| 2021-01-09 | First description of male | Theridion kauaiense Simon, 1900 | USA (Hawaii) | (Old value) | Bellvert, Gillespie & Arnedo, 2021 |
| 2021-01-09 | New taxonomic reference entry | Theridion juno Bellvert & Arnedo, 2021 | USA (Hawaii) | | Bellvert, Gillespie & Arnedo, 2021 |
| 2021-01-09 | New species inserted | Theridion juno Bellvert & Arnedo, 2021 | USA (Hawaii) | | Bellvert, Gillespie & Arnedo, 2021 |
| 2021-01-09 | New taxonomic reference entry | Theridion haleakalense Simon, 1900 | USA (Hawaii) | | Bellvert, Gillespie & Arnedo, 2021 |
| 2021-01-09 | New taxonomic reference entry | Theridion grallator Simon, 1900 | USA (Hawaii) | | Bellvert, Gillespie & Arnedo, 2021 |
| 2021-01-09 | New taxonomic reference entry | Theridion ferdinand Bellvert & Arnedo, 2021 | USA (Hawaii) | | Bellvert, Gillespie & Arnedo, 2021 |
| 2021-01-09 | New taxonomic reference entry | Theridion ceres Bellvert & Arnedo, 2021 | USA (Hawaii) | | Bellvert, Gillespie & Arnedo, 2021 |