| 2022-10-01 | New taxonomic reference entry | Gertschiola macrostyla (Mello-Leitão, 1941) | Argentina | | Dederichs, Huber & Michalik, 2022 |
| 2022-10-01 | Reference included | | | Taucare-Ríos & Zapata-Quinteros, 2022 |
| 2022-10-01 | New taxonomic reference entry | Zygiella x-notata (Clerck, 1757) | Europe, Turkey, Caucasus, Iran? Introduced to North America, Chile, Uruguay, Argentina, St. Helena, Reunion, China, Japan | | Taucare-Ríos & Zapata-Quinteros, 2022 |
| 2022-10-01 | Reference included | | | Carvajal, Téllez & Faúndez, 2022 |
| 2022-10-01 | New taxonomic reference entry | Steatoda porteri (Simon, 1900) | Chile | | Carvajal, Téllez & Faúndez, 2022 |
| 2022-09-30 | Reference included | | | von Wirth & Hildebrandt, 2022 |
| 2022-09-30 | New taxonomic reference entry | Trichonephila inaurata (Walckenaer, 1841) | Mauritius, Réunion | | von Wirth & Hildebrandt, 2022 |
| 2022-09-30 | New taxonomic reference entry | Acanthoscurria geniculata (C. L. Koch, 1841) | Brazil | | von Wirth & Hildebrandt, 2022 |
| 2022-09-30 | New taxonomic reference entry | Haplocosmia nepalensis Schmidt & von Wirth, 1996 | Nepal | | von Wirth & Hildebrandt, 2022 |
| 2022-09-30 | Reference included | | | Magalhaes et al., 2022c |
| 2022-09-30 | New taxonomic reference entry | Drymusa simoni Bryant, 1948 | Haiti | | Magalhaes et al., 2022c |
| 2022-09-30 | New taxonomic reference entry | Drymusa armasi Alayón, 1981 | Cuba | | Magalhaes et al., 2022c |
| 2022-09-30 | New taxonomic reference entry | Drymusa spectata Alayón, 1981 | Cuba | | Magalhaes et al., 2022c |
| 2022-09-30 | Reference included | | | Ramírez et al., 2022 |
| 2022-09-30 | New taxonomic reference entry | Gaucelmus calidus Gertsch, 1971 | Mexico, Guatemala | | Ramírez et al., 2022 |
| 2022-09-30 | New taxonomic reference entry | Tekellina sadamotoi Yoshida & Ogata, 2016 | China, Japan | | Ramírez et al., 2022 |
| 2022-09-30 | New taxonomic reference entry | Tekellina araucana Marusik, Eskov & Ramírez, 2022 | Chile, Argentina | | Ramírez et al., 2022 |
| 2022-09-30 | New species inserted | Tekellina araucana Marusik, Eskov & Ramírez, 2022 | Chile, Argentina | | Ramírez et al., 2022 |
| 2022-09-30 | Genus transferred to other family | Nescina Ballarin & Li, 2015 | Nescina Ballarin & Li, 2015 transferred to Synotaxidae | Ramírez et al., 2022 |
| 2022-09-30 | Genus transferred to other family | Hamus Ballarin & Li, 2015 | Hamus Ballarin & Li, 2015 transferred to Synotaxidae | Ramírez et al., 2022 |
| 2022-09-30 | Genus transferred to other family | Gaucelmus Keyserling, 1884 | Gaucelmus Keyserling, 1884 transferred to Synotaxidae | Ramírez et al., 2022 |
| 2022-09-30 | Genus transferred to other family | Tekellina Levi, 1957 | Tekellina Levi, 1957 transferred to Synotaxidae | Ramírez et al., 2022 |
| 2022-09-29 | Reference included | | | Silva-Moreira & Hormiga, 2022 |
| 2022-09-29 | Species synonymy | Diplothyron trifalcatus (F. O. Pickard-Cambridge, 1902) | Mexico, Guatemala, Nicaragua, Costa Rica, Panama | Diplothyron xilitla synonymized with Diplothyron trifalcatus | Silva-Moreira & Hormiga, 2022 |
| 2022-09-29 | Species updated | Diplothyron xilitla (Gertsch & Davis, 1946) | Mexico | Status: Synonym (Old value) | Silva-Moreira & Hormiga, 2022 |
| 2022-09-29 | Species synonymy | Diplothyron trifalcatus (F. O. Pickard-Cambridge, 1902) | Mexico, Guatemala, Nicaragua, Costa Rica, Panama | Diplothyron petrunkevitchi synonymized with Diplothyron trifalcatus | Silva-Moreira & Hormiga, 2022 |
| 2022-09-29 | Species updated | Diplothyron petrunkevitchi (Roewer, 1942) | Guatemala | Status: Synonym (Old value) | Silva-Moreira & Hormiga, 2022 |
| 2022-09-29 | Species transferred to new genus | Diplothyron xilitla (Gertsch & Davis, 1946) | Mexico | Species transferred from Linyphia to Diplothyron | Silva-Moreira & Hormiga, 2022 |
| 2022-09-29 | Species transferred to new genus | Diplothyron petrunkevitchi (Roewer, 1942) | Guatemala | Species transferred from Linyphia to Diplothyron | Silva-Moreira & Hormiga, 2022 |
| 2022-09-29 | New taxonomic reference entry | Diplothyron trifalcatus (F. O. Pickard-Cambridge, 1902) | Mexico, Guatemala, Nicaragua, Costa Rica, Panama | | Silva-Moreira & Hormiga, 2022 |
| 2022-09-29 | Species transferred to new genus | Diplothyron trifalcatus (F. O. Pickard-Cambridge, 1902) | Mexico, Guatemala, Nicaragua, Costa Rica, Panama | Species transferred from Linyphia to Diplothyron | Silva-Moreira & Hormiga, 2022 |
| 2022-09-29 | Species distribution update | Diplothyron trifalcatus (F. O. Pickard-Cambridge, 1902) | Mexico, Guatemala, Nicaragua, Costa Rica, Panama | (Old value) | Silva-Moreira & Hormiga, 2022 |
| 2022-09-29 | New taxonomic reference entry | Diplothyron solitarius Silva-Moreira & Hormiga, 2022 | Guatemala | | Silva-Moreira & Hormiga, 2022 |
| 2022-09-29 | New species inserted | Diplothyron solitarius Silva-Moreira & Hormiga, 2022 | Guatemala | | Silva-Moreira & Hormiga, 2022 |
| 2022-09-29 | New taxonomic reference entry | Diplothyron simplicata (F. O. Pickard-Cambridge, 1902) | Guatemala, Costa Rica, Panama | | Silva-Moreira & Hormiga, 2022 |
| 2022-09-29 | Species transferred to new genus | Diplothyron simplicata (F. O. Pickard-Cambridge, 1902) | Guatemala, Costa Rica, Panama | Species transferred from Linyphia to Diplothyron | Silva-Moreira & Hormiga, 2022 |
| 2022-09-29 | Species distribution update | Diplothyron simplicata (F. O. Pickard-Cambridge, 1902) | Guatemala, Costa Rica, Panama | (Old value) | Silva-Moreira & Hormiga, 2022 |
| 2022-09-29 | First description of female | Diplothyron simplicata (F. O. Pickard-Cambridge, 1902) | Guatemala, Costa Rica, Panama | (Old value) | Silva-Moreira & Hormiga, 2022 |
| 2022-09-29 | New taxonomic reference entry | Diplothyron sandrae Silva-Moreira & Hormiga, 2022 | Costa Rica | | Silva-Moreira & Hormiga, 2022 |
| 2022-09-29 | New taxonomic reference entry | Diplothyron nubilosus Silva-Moreira & Hormiga, 2022 | Costa Rica, Panama | | Silva-Moreira & Hormiga, 2022 |
| 2022-09-29 | New species inserted | Diplothyron sandrae Silva-Moreira & Hormiga, 2022 | Costa Rica | | Silva-Moreira & Hormiga, 2022 |
| 2022-09-29 | New species inserted | Diplothyron nubilosus Silva-Moreira & Hormiga, 2022 | Costa Rica, Panama | | Silva-Moreira & Hormiga, 2022 |
| 2022-09-29 | New taxonomic reference entry | Diplothyron nigritus (F. O. Pickard-Cambridge, 1902) | Mexico, Guatemala, Nicaragua, Costa Rica, Panama | | Silva-Moreira & Hormiga, 2022 |
| 2022-09-29 | Species transferred to new genus | Diplothyron nigritus (F. O. Pickard-Cambridge, 1902) | Mexico, Guatemala, Nicaragua, Costa Rica, Panama | Species transferred from Linyphia to Diplothyron | Silva-Moreira & Hormiga, 2022 |
| 2022-09-29 | Species distribution update | Diplothyron nigritus (F. O. Pickard-Cambridge, 1902) | Mexico, Guatemala, Nicaragua, Costa Rica, Panama | (Old value) | Silva-Moreira & Hormiga, 2022 |
| 2022-09-29 | First description of male | Diplothyron nigritus (F. O. Pickard-Cambridge, 1902) | Mexico, Guatemala, Nicaragua, Costa Rica, Panama | (Old value) | Silva-Moreira & Hormiga, 2022 |
| 2022-09-29 | New taxonomic reference entry | Diplothyron monteverde Silva-Moreira & Hormiga, 2022 | Costa Rica | | Silva-Moreira & Hormiga, 2022 |
| 2022-09-29 | New species inserted | Diplothyron monteverde Silva-Moreira & Hormiga, 2022 | Costa Rica | | Silva-Moreira & Hormiga, 2022 |
| 2022-09-29 | New taxonomic reference entry | Diplothyron linguatulus (F. O. Pickard-Cambridge, 1902) | Mexico, Guatemala | | Silva-Moreira & Hormiga, 2022 |
| 2022-09-29 | Species transferred to new genus | Diplothyron linguatulus (F. O. Pickard-Cambridge, 1902) | Mexico, Guatemala | Species transferred from Linyphia to Diplothyron | Silva-Moreira & Hormiga, 2022 |