| Date | Type | Reference | Taxon | Comment |
|---|---|---|---|---|
| 2025-09-06 | Species updated | Nicoletta et al., 2025 | Grammostola australis Gerschman & Schiapelli, 1948 - Argentina | Removed synonymy (previous value) |
| 2025-08-19 | Species distribution update | Montes de Oca & Pérez-Miles, 2009 | Grammostola iheringi (Keyserling, 1891) - Brazil, Uruguay | (previous value) |
| 2025-08-19 | New taxonomic reference entry | Montes de Oca & Pérez-Miles, 2009 | Homoeomma uruguayense (Mello-Leitão, 1946) - Uruguay, Argentina | |
| 2025-08-19 | New taxonomic reference entry | Montes de Oca & Pérez-Miles, 2009 | Plesiopelma longisternale (Schiapelli & Gerschman, 1942) - Argentina, Uruguay | |
| 2025-08-19 | New taxonomic reference entry | Montes de Oca & Pérez-Miles, 2009 | Eupalaestrus weijenberghi (Thorell, 1894) - Brazil, Uruguay, Argentina | |
| 2025-08-19 | Species distribution update | Montes de Oca & Pérez-Miles, 2009 | Eupalaestrus campestratus (Simon, 1891) - Brazil, Paraguay, Uruguay, Argentina | (previous value) |
| 2025-08-19 | New taxonomic reference entry | Montes de Oca & Pérez-Miles, 2009 | Acanthoscurria cordubensis Thorell, 1894 - South America (not Colombia, Suriname, Ecuador, Chile) | |
| 2025-08-15 | New taxonomic reference entry | Borges et al., 2025 | Arboriticus maculatus Borges, Abegg & Bertani, 2025 - Brazil | |
| 2025-08-15 | New taxonomic reference entry | Borges et al., 2025 | Arboriticus giganteus Borges & Bertani, 2025 - Brazil | |
| 2025-08-15 | New species inserted | Borges et al., 2025 | Arboriticus maculatus Borges, Abegg & Bertani, 2025 - Brazil | |
| 2025-08-15 | New species inserted | Borges et al., 2025 | Arboriticus giganteus Borges & Bertani, 2025 - Brazil | |
| 2025-08-15 | New taxonomic reference entry | Borges et al., 2025 | Arboriticus minor Borges & Bertani, 2025 - Brazil | |
| 2025-08-15 | New taxonomic reference entry | Borges et al., 2025 | Arboriticus petropolis Borges & Bertani, 2025 - Brazil | |
| 2025-08-15 | New species inserted | Borges et al., 2025 | Arboriticus minor Borges & Bertani, 2025 - Brazil | |
| 2025-08-15 | New species inserted | Borges et al., 2025 | Arboriticus petropolis Borges & Bertani, 2025 - Brazil | |
| 2025-08-15 | Taxonomic reference added from other taxon | Arboriticus tarsicrassus (Bücherl, 1947) - Brazil | (previous value) | |
| 2025-08-15 | Taxonomic reference assigned to new taxon | Arboriticus spinosissimus (Mello-Leitão, 1923) - Brazil | Taxonomic reference entry assigned to Arboriticus tarsicrassus (Bücherl, 1947) | |
| 2025-08-15 | Taxonomic reference added from other taxon | Arboriticus tarsicrassus (Bücherl, 1947) - Brazil | (previous value) | |
| 2025-08-15 | Taxonomic reference assigned to new taxon | Arboriticus spinosissimus (Mello-Leitão, 1923) - Brazil | Taxonomic reference entry assigned to Arboriticus tarsicrassus (Bücherl, 1947) | |
| 2025-08-15 | Taxonomic reference added from other taxon | Arboriticus tarsicrassus (Bücherl, 1947) - Brazil | (previous value) | |
| 2025-08-15 | Taxonomic reference assigned to new taxon | Arboriticus spinosissimus (Mello-Leitão, 1923) - Brazil | Taxonomic reference entry assigned to Arboriticus tarsicrassus (Bücherl, 1947) | |
| 2025-08-15 | Taxonomic reference added from other taxon | Arboriticus tarsicrassus (Bücherl, 1947) - Brazil | (previous value) | |
| 2025-08-15 | Taxonomic reference assigned to new taxon | Arboriticus spinosissimus (Mello-Leitão, 1923) - Brazil | Taxonomic reference entry assigned to Arboriticus tarsicrassus (Bücherl, 1947) | |
| 2025-08-15 | Taxonomic reference added from other taxon | Arboriticus tarsicrassus (Bücherl, 1947) - Brazil | (previous value) | |
| 2025-08-15 | Taxonomic reference assigned to new taxon | Arboriticus spinosissimus (Mello-Leitão, 1923) - Brazil | Taxonomic reference entry assigned to Arboriticus tarsicrassus (Bücherl, 1947) | |
| 2025-08-15 | Taxonomic reference added from other taxon | Arboriticus tarsicrassus (Bücherl, 1947) - Brazil | (previous value) | |
| 2025-08-15 | Taxonomic reference assigned to new taxon | Arboriticus spinosissimus (Mello-Leitão, 1923) - Brazil | Taxonomic reference entry assigned to Arboriticus tarsicrassus (Bücherl, 1947) | |
| 2025-08-15 | Taxonomic reference added from other taxon | Arboriticus tarsicrassus (Bücherl, 1947) - Brazil | (previous value) | |
| 2025-08-15 | Taxonomic reference assigned to new taxon | Arboriticus spinosissimus (Mello-Leitão, 1923) - Brazil | Taxonomic reference entry assigned to Arboriticus tarsicrassus (Bücherl, 1947) | |
| 2025-08-15 | Taxonomic reference added from other taxon | Arboriticus tarsicrassus (Bücherl, 1947) - Brazil | (previous value) | |
| 2025-08-15 | Taxonomic reference assigned to new taxon | Arboriticus spinosissimus (Mello-Leitão, 1923) - Brazil | Taxonomic reference entry assigned to Arboriticus tarsicrassus (Bücherl, 1947) | |
| 2025-08-15 | New taxonomic reference entry | Borges et al., 2025 | Arboriticus spinosissimus (Mello-Leitão, 1923) - Brazil | |
| 2025-08-15 | Species transferred to new genus | Borges et al., 2025 | Arboriticus spinosissimus (Mello-Leitão, 1923) - Brazil | Species transferred from Eupalaestrus to Arboriticus |
| 2025-08-15 | Taxonomic reference added from other taxon | Arboriticus tarsicrassus (Bücherl, 1947) - Brazil | (previous value) | |
| 2025-08-15 | Taxonomic reference assigned to new taxon | Arboriticus spinosissimus (Mello-Leitão, 1923) - Brazil | Taxonomic reference entry assigned to Arboriticus tarsicrassus (Bücherl, 1947) | |
| 2025-08-15 | New taxonomic reference entry | Bertani, 2001 | Arboriticus tarsicrassus (Bücherl, 1947) - Brazil | |
| 2025-08-15 | New taxonomic reference entry | Borges et al., 2025 | Arboriticus tarsicrassus (Bücherl, 1947) - Brazil | |
| 2025-08-15 | Species transferred to new genus | Borges et al., 2025 | Arboriticus tarsicrassus (Bücherl, 1947) - Brazil | Species transferred from Eupalaestrus to Arboriticus |
| 2025-08-15 | Taxonomic reference added from other taxon | Vitalius dubius (Mello-Leitão, 1923) - Brazil | (previous value) | |
| 2025-08-15 | Taxonomic reference assigned to new taxon | Arboriticus spinosissimus (Mello-Leitão, 1923) - Brazil | Taxonomic reference entry assigned to Vitalius dubius (Mello-Leitão, 1923) | |
| 2025-08-15 | Taxonomic reference added from other taxon | Arboriticus tarsicrassus (Bücherl, 1947) - Brazil | (previous value) | |
| 2025-08-15 | Taxonomic reference assigned to new taxon | Arboriticus spinosissimus (Mello-Leitão, 1923) - Brazil | Taxonomic reference entry assigned to Eupalaestrus tarsicrassus Bücherl, 1947 | |
| 2025-08-15 | Species updated | Borges et al., 2025 | Arboriticus tarsicrassus (Bücherl, 1947) - Brazil | Removed synonymy (previous value) |
| 2025-08-15 | Taxonomic reference added from other taxon | Vitalius dubius (Mello-Leitão, 1923) - Brazil | (previous value) | |
| 2025-08-15 | Taxonomic reference assigned to new taxon | Arboriticus spinosissimus (Mello-Leitão, 1923) - Brazil | Taxonomic reference entry assigned to Vitalius dubius (Mello-Leitão, 1923) | |
| 2025-08-15 | New taxonomic reference entry | Borges et al., 2025 | Vitalius dubius (Mello-Leitão, 1923) - Brazil | |
| 2025-08-15 | Species synonymy | Borges et al., 2025 | Vitalius dubius (Mello-Leitão, 1923) - Brazil | Vitalius holophaeus synonymized with Vitalius dubius |
| 2025-08-15 | Species updated | Borges et al., 2025 | Arboriticus holophaeus (Mello-Leitão, 1923) - Brazil | Status: Synonym (previous value) |
| 2025-08-15 | Species transferred to new genus | Borges et al., 2025 | Arboriticus holophaeus (Mello-Leitão, 1923) - Brazil | Species transferred from Eupalaestrus to Vitalius |
| 2025-08-15 | New taxonomic reference entry | Borges et al., 2025 | Arboriticus celsoi Borges & Bertani, 2025 - Brazil |
Log values