| 2021-07-20 | New taxonomic reference entry | Tupirinna urucu Xavier & Bonaldo, 2021 | Brazil | | Xavier & Bonaldo, 2021 |
| 2021-07-20 | New taxonomic reference entry | Tupirinna zebra Xavier & Bonaldo, 2021 | Brazil | | Xavier & Bonaldo, 2021 |
| 2021-07-20 | New taxonomic reference entry | Tupirinna coari Xavier & Bonaldo, 2021 | Brazil | | Xavier & Bonaldo, 2021 |
| 2021-07-20 | New taxonomic reference entry | Tupirinna gigantea Xavier & Bonaldo, 2021 | Colombia, Peru | | Xavier & Bonaldo, 2021 |
| 2021-07-20 | New species inserted | Tupirinna luctuosa Xavier & Bonaldo, 2021 | Brazil | | Xavier & Bonaldo, 2021 |
| 2021-07-20 | New species inserted | Tupirinna urucu Xavier & Bonaldo, 2021 | Brazil | | Xavier & Bonaldo, 2021 |
| 2021-07-20 | New species inserted | Tupirinna zebra Xavier & Bonaldo, 2021 | Brazil | | Xavier & Bonaldo, 2021 |
| 2021-07-20 | New species inserted | Tupirinna coari Xavier & Bonaldo, 2021 | Brazil | | Xavier & Bonaldo, 2021 |
| 2021-07-20 | New species inserted | Tupirinna gigantea Xavier & Bonaldo, 2021 | Colombia, Peru | | Xavier & Bonaldo, 2021 |
| 2021-07-20 | New taxonomic reference entry | Tupirinna mutum Xavier & Bonaldo, 2021 | Brazil | | Xavier & Bonaldo, 2021 |
| 2021-07-20 | New taxonomic reference entry | Tupirinna goeldi Xavier & Bonaldo, 2021 | Brazil | | Xavier & Bonaldo, 2021 |
| 2021-07-20 | New taxonomic reference entry | Tupirinna platnicki Xavier & Bonaldo, 2021 | Brazil | | Xavier & Bonaldo, 2021 |
| 2021-07-20 | New taxonomic reference entry | Tupirinna araguaia Xavier & Bonaldo, 2021 | Brazil | | Xavier & Bonaldo, 2021 |
| 2021-07-20 | New taxonomic reference entry | Tupirinna regiae Xavier & Bonaldo, 2021 | Brazil | | Xavier & Bonaldo, 2021 |
| 2021-07-20 | New species inserted | Tupirinna mutum Xavier & Bonaldo, 2021 | Brazil | | Xavier & Bonaldo, 2021 |
| 2021-07-20 | New species inserted | Tupirinna goeldi Xavier & Bonaldo, 2021 | Brazil | | Xavier & Bonaldo, 2021 |
| 2021-07-20 | New species inserted | Tupirinna platnicki Xavier & Bonaldo, 2021 | Brazil | | Xavier & Bonaldo, 2021 |
| 2021-07-20 | New species inserted | Tupirinna araguaia Xavier & Bonaldo, 2021 | Brazil | | Xavier & Bonaldo, 2021 |
| 2021-07-20 | New species inserted | Tupirinna regiae Xavier & Bonaldo, 2021 | Brazil | | Xavier & Bonaldo, 2021 |
| 2021-07-20 | New taxonomic reference entry | Tupirinna rosae Bonaldo, 2000 | Venezuela, Brazil | | Xavier & Bonaldo, 2021 |
| 2021-07-14 | Species distribution update | Attulus ammophilus (Thorell, 1875) | Romania, Ukraine, Russia (Europe), Afghanistan | (Old value) | Logunov, 2021b |
| 2021-07-14 | Reference included | | | Sánchez-Ruiz, Martínez & Bonaldo, 2021 |
| 2021-07-14 | New taxonomic reference entry | Nopsma paya Sánchez-Ruiz, Martínez & Bonaldo, 2021 | Colombia | | Sánchez-Ruiz, Martínez & Bonaldo, 2021 |
| 2021-07-14 | New taxonomic reference entry | Nopsma macagual Sánchez-Ruiz, Martínez & Bonaldo, 2021 | Colombia | | Sánchez-Ruiz, Martínez & Bonaldo, 2021 |
| 2021-07-14 | New taxonomic reference entry | Nopsma leticia Sánchez-Ruiz, Martínez & Bonaldo, 2021 | Colombia | | Sánchez-Ruiz, Martínez & Bonaldo, 2021 |
| 2021-07-14 | New taxonomic reference entry | Nopsma juchuy (Dupérré, 2014) | Ecuador | | Sánchez-Ruiz, Martínez & Bonaldo, 2021 |
| 2021-07-14 | New taxonomic reference entry | Nopsma florencia Sánchez-Ruiz, Brescovit & Bonaldo, 2020 | Colombia | | Sánchez-Ruiz, Martínez & Bonaldo, 2021 |
| 2021-07-14 | New species inserted | Nopsma paya Sánchez-Ruiz, Martínez & Bonaldo, 2021 | Colombia | | Sánchez-Ruiz, Martínez & Bonaldo, 2021 |
| 2021-07-14 | New species inserted | Nopsma macagual Sánchez-Ruiz, Martínez & Bonaldo, 2021 | Colombia | | Sánchez-Ruiz, Martínez & Bonaldo, 2021 |
| 2021-07-14 | New species inserted | Nopsma leticia Sánchez-Ruiz, Martínez & Bonaldo, 2021 | Colombia | | Sánchez-Ruiz, Martínez & Bonaldo, 2021 |
| 2021-07-12 | Reference included | | | Wilson & Rix, 2021 |
| 2021-07-12 | New taxonomic reference entry | Euoplos variabilis (Rainbow & Pulleine, 1918) | Australia (Queensland, New South Wales) | | Wilson & Rix, 2021 |
| 2021-07-12 | New taxonomic reference entry | Euoplos similaris (Rainbow & Pulleine, 1918) | Australia (Queensland) | | Wilson & Rix, 2021 |
| 2021-07-12 | First description of male | Euoplos similaris (Rainbow & Pulleine, 1918) | Australia (Queensland) | (Old value) | Wilson & Rix, 2021 |
| 2021-07-12 | New taxonomic reference entry | Euoplos schmidti Wilson & Rix, 2021 | Australia (Queensland) | | Wilson & Rix, 2021 |
| 2021-07-12 | New taxonomic reference entry | Euoplos regalis Wilson & Rix, 2021 | Australia (Queensland) | | Wilson & Rix, 2021 |
| 2021-07-12 | New taxonomic reference entry | Euoplos raveni Wilson & Rix, 2021 | Australia (Queensland) | | Wilson & Rix, 2021 |
| 2021-07-12 | New taxonomic reference entry | Euoplos jayneae Wilson & Rix, 2021 | Australia (Queensland) | | Wilson & Rix, 2021 |
| 2021-07-12 | New taxonomic reference entry | Euoplos grandis Wilson & Rix, 2019 | Australia (Queensland) | | Wilson & Rix, 2021 |
| 2021-07-12 | New taxonomic reference entry | Euoplos booloumba Wilson & Rix, 2021 | Australia (Queensland) | | Wilson & Rix, 2021 |
| 2021-07-12 | New species inserted | Euoplos schmidti Wilson & Rix, 2021 | Australia (Queensland) | | Wilson & Rix, 2021 |
| 2021-07-12 | New species inserted | Euoplos regalis Wilson & Rix, 2021 | Australia (Queensland) | | Wilson & Rix, 2021 |
| 2021-07-12 | New species inserted | Euoplos raveni Wilson & Rix, 2021 | Australia (Queensland) | | Wilson & Rix, 2021 |
| 2021-07-12 | New species inserted | Euoplos jayneae Wilson & Rix, 2021 | Australia (Queensland) | | Wilson & Rix, 2021 |
| 2021-07-12 | New species inserted | Euoplos booloumba Wilson & Rix, 2021 | Australia (Queensland) | | Wilson & Rix, 2021 |
| 2021-07-12 | Species distribution update | Araneus mitificus (Simon, 1886) | Pakistan, India to Philippines, Japan, New Guinea | (Old value) | |
| 2021-07-12 | Species distribution update | Gibbaranea ullrichi (Hahn, 1835) | Europe to Central Asia, Pakistan | (Old value) | |
| 2021-07-12 | Species distribution update | Gea spinipes C. L. Koch, 1843 | Pakistan, India, China, Taiwan to Indonesia (Borneo) | (Old value) | |
| 2021-07-12 | Species distribution update | Neoscona scylla (Karsch, 1879) | Russia (Far East), Pakistan, China, Korea, Japan | (Old value) | |
| 2021-07-12 | Species distribution update | Neoscona polyspinipes Yin, Wang, Xie & Peng, 1990 | Pakistan, China | (Old value) | |