| 2024-02-20 | Species updated | Prolycosides melanostoma (Mello-Leitão, 1941) | Argentina | Status: Synonym (Old value) | Paredes-Munguía, Brescovit & Teixeira, 2024 |
| 2024-02-20 | Species transferred to new genus | Prolycosides melanostoma (Mello-Leitão, 1941) | Argentina | Species transferred from Megarctosa to Prolycosides | Paredes-Munguía, Brescovit & Teixeira, 2024 |
| 2024-02-20 | Species synonymy | Prolycosides aussereri (Keyserling, 1877) | Cuba, Puerto Rico, Colombia, Venezuela, Peru, Bolivia, Brazil, Paraguay, Argentina | Prolycosides variolosa synonymized with Prolycosides aussereri | Paredes-Munguía, Brescovit & Teixeira, 2024 |
| 2024-02-20 | Species updated | Prolycosides variolosa (Mello-Leitão, 1941) | Argentina | Status: Synonym (Old value) | Paredes-Munguía, Brescovit & Teixeira, 2024 |
| 2024-02-20 | Species transferred to new genus | Prolycosides variolosa (Mello-Leitão, 1941) | Argentina | Species transferred from Hogna to Prolycosides | Paredes-Munguía, Brescovit & Teixeira, 2024 |
| 2024-02-20 | Species synonymy | Prolycosides aussereri (Keyserling, 1877) | Cuba, Puerto Rico, Colombia, Venezuela, Peru, Bolivia, Brazil, Paraguay, Argentina | Prolycosides planithoracis synonymized with Prolycosides aussereri | Paredes-Munguía, Brescovit & Teixeira, 2024 |
| 2024-02-20 | Species updated | Prolycosides planithoracis (Mello-Leitão, 1938) | Argentina | Status: Synonym (Old value) | Paredes-Munguía, Brescovit & Teixeira, 2024 |
| 2024-02-20 | Species transferred to new genus | Prolycosides planithoracis (Mello-Leitão, 1938) | Argentina | Species transferred from Hogna to Prolycosides | Paredes-Munguía, Brescovit & Teixeira, 2024 |
| 2024-02-20 | Species synonymy | Prolycosides aussereri (Keyserling, 1877) | Cuba, Puerto Rico, Colombia, Venezuela, Peru, Bolivia, Brazil, Paraguay, Argentina | Prolycosides workmani synonymized with Prolycosides aussereri | Paredes-Munguía, Brescovit & Teixeira, 2024 |
| 2024-02-20 | Species updated | Prolycosides workmani (Strand, 1909) | Paraguay | Status: Synonym (Old value) | Paredes-Munguía, Brescovit & Teixeira, 2024 |
| 2024-02-20 | Species transferred to new genus | Prolycosides workmani (Strand, 1909) | Paraguay | Species transferred from Arctosa to Prolycosides | Paredes-Munguía, Brescovit & Teixeira, 2024 |
| 2024-02-20 | Species synonymy | Prolycosides aussereri (Keyserling, 1877) | Cuba, Puerto Rico, Colombia, Venezuela, Peru, Bolivia, Brazil, Paraguay, Argentina | Prolycosides proletaria synonymized with Prolycosides aussereri | Paredes-Munguía, Brescovit & Teixeira, 2024 |
| 2024-02-20 | Species updated | Prolycosides proletaria (Tullgren, 1905) | Bolivia, Argentina | Status: Synonym (Old value) | Paredes-Munguía, Brescovit & Teixeira, 2024 |
| 2024-02-20 | Species transferred to new genus | Prolycosides proletaria (Tullgren, 1905) | Bolivia, Argentina | Species transferred from Schizocosa to Prolycosides | Paredes-Munguía, Brescovit & Teixeira, 2024 |
| 2024-02-20 | New taxonomic reference entry | Prolycosides aussereri (Keyserling, 1877) | Cuba, Puerto Rico, Colombia, Venezuela, Peru, Bolivia, Brazil, Paraguay, Argentina | | Paredes-Munguía, Brescovit & Teixeira, 2024 |
| 2024-02-20 | Species transferred to new genus | Prolycosides aussereri (Keyserling, 1877) | Cuba, Puerto Rico, Colombia, Venezuela, Peru, Bolivia, Brazil, Paraguay, Argentina | Species transferred from Arctosa to Prolycosides | Paredes-Munguía, Brescovit & Teixeira, 2024 |
| 2024-02-20 | Species distribution update | Prolycosides aussereri (Keyserling, 1877) | Cuba, Puerto Rico, Colombia, Venezuela, Peru, Bolivia, Brazil, Paraguay, Argentina | (Old value) | Paredes-Munguía, Brescovit & Teixeira, 2024 |
| 2024-02-20 | New taxonomic reference entry | Hogna pugil (Bertkau, 1880) | Brazil | | Paredes-Munguía, Brescovit & Teixeira, 2024 |
| 2024-02-20 | Species transferred to new genus | Hogna pugil (Bertkau, 1880) | Brazil | Species transferred from Arctosa to Hogna | Paredes-Munguía, Brescovit & Teixeira, 2024 |
| 2024-02-20 | New taxonomic reference entry | Hogna andina (Chamberlin, 1916) | Peru | | Paredes-Munguía, Brescovit & Teixeira, 2024 |
| 2024-02-20 | Species transferred to new genus | Hogna andina (Chamberlin, 1916) | Peru | Species transferred from Arctosa to Hogna | Paredes-Munguía, Brescovit & Teixeira, 2024 |
| 2024-02-20 | New taxonomic reference entry | Arctosa villa Paredes-Munguía, Brescovit & Teixeira, 2024 | Peru | | Paredes-Munguía, Brescovit & Teixeira, 2024 |
| 2024-02-20 | New species inserted | Arctosa villa Paredes-Munguía, Brescovit & Teixeira, 2024 | Peru | | Paredes-Munguía, Brescovit & Teixeira, 2024 |
| 2024-02-20 | Species synonymy | Arctosa tenella (Keyserling, 1877) | USA, Mexico, Guatemala, Costa Rica, Panama, Colombia, Ecuador, Peru, Guyana | Arctosa minuta synonymized with Arctosa tenella | Paredes-Munguía, Brescovit & Teixeira, 2024 |
| 2024-02-20 | Species updated | Arctosa minuta F. O. Pickard-Cambridge, 1902 | USA to Guyana | Status: Synonym (Old value) | Paredes-Munguía, Brescovit & Teixeira, 2024 |
| 2024-02-20 | New taxonomic reference entry | Arctosa tenella (Keyserling, 1877) | USA, Mexico, Guatemala, Costa Rica, Panama, Colombia, Ecuador, Peru, Guyana | | Paredes-Munguía, Brescovit & Teixeira, 2024 |
| 2024-02-20 | Species transferred to new genus | Arctosa tenella (Keyserling, 1877) | USA, Mexico, Guatemala, Costa Rica, Panama, Colombia, Ecuador, Peru, Guyana | Species transferred from Trochosa to Arctosa | Paredes-Munguía, Brescovit & Teixeira, 2024 |
| 2024-02-20 | Species distribution update | Arctosa tenella (Keyserling, 1877) | USA, Mexico, Guatemala, Costa Rica, Panama, Colombia, Ecuador, Peru, Guyana | (Old value) | Paredes-Munguía, Brescovit & Teixeira, 2024 |
| 2024-02-20 | New taxonomic reference entry | Arctosa tenebrosa (Keyserling, 1877) | Colombia | | Paredes-Munguía, Brescovit & Teixeira, 2024 |
| 2024-02-20 | Species transferred to new genus | Arctosa tenebrosa (Keyserling, 1877) | Colombia | Species transferred from Trochosa to Arctosa | Paredes-Munguía, Brescovit & Teixeira, 2024 |
| 2024-02-20 | First description of male | Arctosa tenebrosa (Keyserling, 1877) | Colombia | (Old value) | Paredes-Munguía, Brescovit & Teixeira, 2024 |
| 2024-02-20 | New taxonomic reference entry | Arctosa sapiranga Silva & Lise, 2009 | Brazil, Argentina | | Paredes-Munguía, Brescovit & Teixeira, 2024 |
| 2024-02-20 | Species distribution update | Arctosa sapiranga Silva & Lise, 2009 | Brazil, Argentina | (Old value) | Paredes-Munguía, Brescovit & Teixeira, 2024 |
| 2024-02-20 | New taxonomic reference entry | Arctosa pacaya Paredes-Munguía, Brescovit & Teixeira, 2024 | Peru | | Paredes-Munguía, Brescovit & Teixeira, 2024 |
| 2024-02-20 | New taxonomic reference entry | Arctosa mineira Paredes-Munguía, Brescovit & Teixeira, 2024 | Brazil | | Paredes-Munguía, Brescovit & Teixeira, 2024 |
| 2024-02-20 | New taxonomic reference entry | Arctosa jibarosa Paredes-Munguía, Brescovit & Teixeira, 2024 | Colombia, Ecuador, Peru | | Paredes-Munguía, Brescovit & Teixeira, 2024 |
| 2024-02-20 | New species inserted | Arctosa pacaya Paredes-Munguía, Brescovit & Teixeira, 2024 | Peru | | Paredes-Munguía, Brescovit & Teixeira, 2024 |
| 2024-02-20 | New species inserted | Arctosa mineira Paredes-Munguía, Brescovit & Teixeira, 2024 | Brazil | | Paredes-Munguía, Brescovit & Teixeira, 2024 |
| 2024-02-20 | New species inserted | Arctosa jibarosa Paredes-Munguía, Brescovit & Teixeira, 2024 | Colombia, Ecuador, Peru | | Paredes-Munguía, Brescovit & Teixeira, 2024 |
| 2024-02-20 | New taxonomic reference entry | Arctosa costenola Paredes-Munguía, Brescovit & Teixeira, 2024 | Colombia | | Paredes-Munguía, Brescovit & Teixeira, 2024 |
| 2024-02-20 | New taxonomic reference entry | Arctosa conflicta Paredes-Munguía, Brescovit & Teixeira, 2024 | Colombia, Ecuador, Peru | | Paredes-Munguía, Brescovit & Teixeira, 2024 |
| 2024-02-20 | New taxonomic reference entry | Arctosa ayaymama Paredes-Munguía, Brescovit & Teixeira, 2024 | Colombia, Peru | | Paredes-Munguía, Brescovit & Teixeira, 2024 |
| 2024-02-20 | New species inserted | Arctosa costenola Paredes-Munguía, Brescovit & Teixeira, 2024 | Colombia | | Paredes-Munguía, Brescovit & Teixeira, 2024 |
| 2024-02-20 | New species inserted | Arctosa conflicta Paredes-Munguía, Brescovit & Teixeira, 2024 | Colombia, Ecuador, Peru | | Paredes-Munguía, Brescovit & Teixeira, 2024 |
| 2024-02-20 | New species inserted | Arctosa ayaymama Paredes-Munguía, Brescovit & Teixeira, 2024 | Colombia, Peru | | Paredes-Munguía, Brescovit & Teixeira, 2024 |
| 2024-02-18 | New taxonomic reference entry | Walckenaeria capito (Westring, 1861) | Canada, Europe, Caucasus, Russia (Europe to Far East), Korea | | Wiehle, 1960a |
| 2024-02-18 | New taxonomic reference entry | Walckenaeria capito (Westring, 1861) | Canada, Europe, Caucasus, Russia (Europe to Far East), Korea | | Simon, 1884a |
| 2024-02-17 | Species distribution update | Heliophanus agricola Wesołowska, 1986 | Algeria, Portugal, Spain | (Old value) | Wunderlich, 1987a |
| 2024-02-17 | New taxonomic reference entry | Heliophanus agricoloides Wunderlich, 1987 | Canary Is. | | Wesołowska, 1986 |
| 2024-02-17 | Reference included | | | Huber et al., 2024a |