| 2024-02-20 | Species updated | Trochosa inconspicua (Bryant, 1948) | Haiti | Status: Synonym (Old value) | Paredes-Munguía, Brescovit & Teixeira, 2024 |
| 2024-02-20 | Species transferred to new genus | Trochosa inconspicua (Bryant, 1948) | Haiti | Species transferred from Arctosa to Trochosa | Paredes-Munguía, Brescovit & Teixeira, 2024 |
| 2024-02-20 | New taxonomic reference entry | Trochosa humicola Bertkau, 1880 | Haiti, Brazil, Guyana | | Paredes-Munguía, Brescovit & Teixeira, 2024 |
| 2024-02-20 | Species transferred to new genus | Trochosa humicola Bertkau, 1880 | Haiti, Brazil, Guyana | Species transferred from Arctosa to Trochosa | Paredes-Munguía, Brescovit & Teixeira, 2024 |
| 2024-02-20 | First description of male | Trochosa humicola Bertkau, 1880 | Haiti, Brazil, Guyana | (Old value) | Paredes-Munguía, Brescovit & Teixeira, 2024 |
| 2024-02-20 | Species distribution update | Trochosa humicola Bertkau, 1880 | Haiti, Brazil, Guyana | (Old value) | Paredes-Munguía, Brescovit & Teixeira, 2024 |
| 2024-02-20 | New taxonomic reference entry | Trochosa fusca (Keyserling, 1877) | Central America, Caribbean | | Paredes-Munguía, Brescovit & Teixeira, 2024 |
| 2024-02-20 | Species transferred to new genus | Trochosa fusca (Keyserling, 1877) | Central America, Caribbean | Species transferred from Arctosa to Trochosa | 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 soukupi synonymized with Prolycosides aussereri | Paredes-Munguía, Brescovit & Teixeira, 2024 |
| 2024-02-20 | Species updated | Prolycosides soukupi (Mello-Leitão, 1942) | Peru | Status: Synonym (Old value) | 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 abalosi synonymized with Prolycosides aussereri | Paredes-Munguía, Brescovit & Teixeira, 2024 |
| 2024-02-20 | Species updated | Prolycosides abalosi (Mello-Leitão, 1942) | Argentina | Status: Synonym (Old value) | Paredes-Munguía, Brescovit & Teixeira, 2024 |
| 2024-02-20 | Species transferred to new genus | Prolycosides soukupi (Mello-Leitão, 1942) | Peru | Species transferred from Pirata to Prolycosides | Paredes-Munguía, Brescovit & Teixeira, 2024 |
| 2024-02-20 | Species transferred to new genus | Prolycosides abalosi (Mello-Leitão, 1942) | Argentina | Species transferred from Pirata 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 huachoi synonymized with Prolycosides aussereri | Paredes-Munguía, Brescovit & Teixeira, 2024 |
| 2024-02-20 | Species updated | Prolycosides huachoi (Mello-Leitão, 1942) | Peru | Status: Synonym (Old value) | Paredes-Munguía, Brescovit & Teixeira, 2024 |
| 2024-02-20 | Species transferred to new genus | Prolycosides huachoi (Mello-Leitão, 1942) | Peru | Species transferred from Hippasosa 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 melanostoma synonymized with Prolycosides aussereri | Paredes-Munguía, Brescovit & Teixeira, 2024 |
| 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 |