| Date | Type | Reference | Taxon | Comment |
|---|---|---|---|---|
| 2026-04-23 | Species transferred to new genus | Pett et al., 2026 | Neochelas huachucanus (Gertsch, 1942) - USA, Mexico | Species transferred from Trachelas L. Koch, 1872 to Neochelas Pett, Grismado & Ramírez, 2026 |
| 2026-04-23 | New taxonomic reference entry | Chamé-Vázquez & Jiménez, 2026 | Phonotimpus huasca Chamé-Vázquez & Jiménez, 2026 - Mexico | |
| 2026-04-23 | New taxonomic reference entry | Chamé-Vázquez & Jiménez, 2026 | Phonotimpus coacuilco Chamé-Vázquez & Jiménez, 2026 - Mexico | |
| 2026-04-23 | New taxonomic reference entry | Pett et al., 2026 | Neochelas hamatus (Platnick & Shadab, 1974) - Mexico | |
| 2026-04-23 | Species transferred to new genus | Pett et al., 2026 | Neochelas hamatus (Platnick & Shadab, 1974) - Mexico | Species transferred from Trachelas L. Koch, 1872 to Neochelas Pett, Grismado & Ramírez, 2026 |
| 2026-04-23 | New taxonomic reference entry | Pett et al., 2026 | Neochelas fuscus (Platnick & Shadab, 1974) - Mexico | |
| 2026-04-23 | New taxonomic reference entry | Chamé-Vázquez & Jiménez, 2026 | Phonotimpus buenoi Chamé-Vázquez & Jiménez, 2026 - Mexico | |
| 2026-04-23 | Species transferred to new genus | Pett et al., 2026 | Neochelas fuscus (Platnick & Shadab, 1974) - Mexico | Species transferred from Trachelas L. Koch, 1872 to Neochelas Pett, Grismado & Ramírez, 2026 |
| 2026-04-23 | New taxonomic reference entry | Pett et al., 2026 | Neochelas ductonuda (Rivera-Quiroz & Álvarez-Padilla, 2015) - Mexico | |
| 2026-04-23 | Species transferred to new genus | Pett et al., 2026 | Neochelas ductonuda (Rivera-Quiroz & Álvarez-Padilla, 2015) - Mexico | Species transferred from Trachelas L. Koch, 1872 to Neochelas Pett, Grismado & Ramírez, 2026 |
| 2026-04-23 | New taxonomic reference entry | Pett et al., 2026 | Neochelas crassus (Rivera-Quiroz & Álvarez-Padilla, 2015) - Mexico | |
| 2026-04-23 | Species transferred to new genus | Pett et al., 2026 | Neochelas crassus (Rivera-Quiroz & Álvarez-Padilla, 2015) - Mexico | Species transferred from Trachelas L. Koch, 1872 to Neochelas Pett, Grismado & Ramírez, 2026 |
| 2026-04-23 | New taxonomic reference entry | Pett et al., 2026 | Neochelas bulbosus (F. O. Pickard-Cambridge, 1899) - Mexico, Guatemala, El Salvador | |
| 2026-04-23 | Species transferred to new genus | Pett et al., 2026 | Neochelas bulbosus (F. O. Pickard-Cambridge, 1899) - Mexico, Guatemala, El Salvador | Species transferred from Trachelas L. Koch, 1872 to Neochelas Pett, Grismado & Ramírez, 2026 |
| 2026-04-23 | New taxonomic reference entry | Pett et al., 2026 | Neochelas prominens (Platnick & Shadab, 1974) - Mexico, Guatemala, Nicaragua, Costa Rica, Panama | |
| 2026-04-23 | Species transferred to new genus | Pett et al., 2026 | Neochelas prominens (Platnick & Shadab, 1974) - Mexico, Guatemala, Nicaragua, Costa Rica, Panama | Species transferred from Trachelas L. Koch, 1872 to Neochelas Pett, Grismado & Ramírez, 2026 |
| 2026-04-23 | New taxonomic reference entry | Pett et al., 2026 | Neochelas planus (Platnick & Shadab, 1974) - Costa Rica | |
| 2026-04-23 | Species transferred to new genus | Pett et al., 2026 | Neochelas planus (Platnick & Shadab, 1974) - Costa Rica | Species transferred from Trachelas L. Koch, 1872 to Neochelas Pett, Grismado & Ramírez, 2026 |
| 2026-04-23 | New taxonomic reference entry | Pett et al., 2026 | Neochelas parallelus (Platnick & Shadab, 1974) - Nicaragua | |
| 2026-04-23 | New species inserted | Chamé-Vázquez & Jiménez, 2026 | Phonotimpus huasca Chamé-Vázquez & Jiménez, 2026 - Mexico | |
| 2026-04-23 | Species transferred to new genus | Pett et al., 2026 | Neochelas parallelus (Platnick & Shadab, 1974) - Nicaragua | Species transferred from Trachelas L. Koch, 1872 to Neochelas Pett, Grismado & Ramírez, 2026 |
| 2026-04-23 | New species inserted | Chamé-Vázquez & Jiménez, 2026 | Phonotimpus coacuilco Chamé-Vázquez & Jiménez, 2026 - Mexico | |
| 2026-04-23 | New taxonomic reference entry | Pett et al., 2026 | Neochelas mombachensis (Leister & Miller, 2015) - Nicaragua | |
| 2026-04-23 | New species inserted | Chamé-Vázquez & Jiménez, 2026 | Phonotimpus buenoi Chamé-Vázquez & Jiménez, 2026 - Mexico | |
| 2026-04-23 | Species transferred to new genus | Pett et al., 2026 | Neochelas mombachensis (Leister & Miller, 2015) - Nicaragua | Species transferred from Trachelas L. Koch, 1872 to Neochelas Pett, Grismado & Ramírez, 2026 |
| 2026-04-23 | New taxonomic reference entry | Pett et al., 2026 | Neochelas hassleri (Gertsch, 1942) - Guyana | |
| 2026-04-23 | Species transferred to new genus | Pett et al., 2026 | Neochelas hassleri (Gertsch, 1942) - Guyana | Species transferred from Trachelas L. Koch, 1872 to Neochelas Pett, Grismado & Ramírez, 2026 |
| 2026-04-23 | New taxonomic reference entry | Pett et al., 2026 | Neochelas ecudobus (Chickering, 1973) - Panama, Trinidad | |
| 2026-04-23 | Species transferred to new genus | Pett et al., 2026 | Neochelas ecudobus (Chickering, 1973) - Panama, Trinidad | Species transferred from Trachelas L. Koch, 1872 to Neochelas Pett, Grismado & Ramírez, 2026 |
| 2026-04-23 | New taxonomic reference entry | Pett et al., 2026 | Neochelas daubei (Schmidt, 1971) - Ecuador | |
| 2026-04-23 | Species transferred to new genus | Pett et al., 2026 | Neochelas daubei (Schmidt, 1971) - Ecuador | Species transferred from Trachelas L. Koch, 1872 to Neochelas Pett, Grismado & Ramírez, 2026 |
| 2026-04-23 | New taxonomic reference entry | Pett et al., 2026 | Neochelas digitus (Platnick & Shadab, 1974) - Costa Rica | |
| 2026-04-23 | Species transferred to new genus | Pett et al., 2026 | Neochelas digitus (Platnick & Shadab, 1974) - Costa Rica | Species transferred from Trachelas L. Koch, 1872 to Neochelas Pett, Grismado & Ramírez, 2026 |
| 2026-04-23 | New taxonomic reference entry | Pett et al., 2026 | Neochelas bispinosus (F. O. Pickard-Cambridge, 1899) - Mexico to Panama, Trinidad | |
| 2026-04-23 | Species transferred to new genus | Pett et al., 2026 | Neochelas bispinosus (F. O. Pickard-Cambridge, 1899) - Mexico to Panama, Trinidad | Species transferred from Trachelas L. Koch, 1872 to Neochelas Pett, Grismado & Ramírez, 2026 |
| 2026-04-23 | New taxonomic reference entry | Pett et al., 2026 | Neochelas anomalus (Taczanowski, 1874) - French Guiana | |
| 2026-04-23 | Species transferred to new genus | Pett et al., 2026 | Neochelas anomalus (Taczanowski, 1874) - French Guiana | Species transferred from Trachelas L. Koch, 1872 to Neochelas Pett, Grismado & Ramírez, 2026 |
| 2026-04-23 | New taxonomic reference entry | Pett et al., 2026 | Neochelas amacayacu (Sherwood & Arzuza, 2025) - Colombia | |
| 2026-04-23 | Species transferred to new genus | Pett et al., 2026 | Neochelas amacayacu (Sherwood & Arzuza, 2025) - Colombia | Species transferred from Trachelas L. Koch, 1872 to Neochelas Pett, Grismado & Ramírez, 2026 |
| 2026-04-23 | New taxonomic reference entry | Pett et al., 2026 | Neochelas triangulus (Platnick & Shadab, 1974) - Panama | |
| 2026-04-23 | Species transferred to new genus | Pett et al., 2026 | Neochelas triangulus (Platnick & Shadab, 1974) - Panama | Species transferred from Trachelas L. Koch, 1872 to Neochelas Pett, Grismado & Ramírez, 2026 |
| 2026-04-23 | New taxonomic reference entry | Pett et al., 2026 | Neochelas tomaculus (Platnick & Shadab, 1974) - Cuba, Haiti | |
| 2026-04-23 | Species transferred to new genus | Pett et al., 2026 | Neochelas tomaculus (Platnick & Shadab, 1974) - Cuba, Haiti | Species transferred from Trachelas L. Koch, 1872 to Neochelas Pett, Grismado & Ramírez, 2026 |
| 2026-04-23 | New taxonomic reference entry | Pett et al., 2026 | Neochelas quadridens (Kraus, 1955) - El Salvador, Costa Rica | |
| 2026-04-23 | Species transferred to new genus | Pett et al., 2026 | Neochelas quadridens (Kraus, 1955) - El Salvador, Costa Rica | Species transferred from Trachelas L. Koch, 1872 to Neochelas Pett, Grismado & Ramírez, 2026 |
| 2026-04-23 | New taxonomic reference entry | Pett et al., 2026 | Neochelas panamanus (Chickering, 1937) - Panama | |
| 2026-04-23 | Species transferred to new genus | Pett et al., 2026 | Neochelas panamanus (Chickering, 1937) - Panama | Species transferred from Trachelas L. Koch, 1872 to Neochelas Pett, Grismado & Ramírez, 2026 |
| 2026-04-23 | New taxonomic reference entry | Pett et al., 2026 | Neochelas oculus (Platnick & Shadab, 1974) - Cuba | |
| 2026-04-23 | Species transferred to new genus | Pett et al., 2026 | Neochelas oculus (Platnick & Shadab, 1974) - Cuba | Species transferred from Trachelas L. Koch, 1872 to Neochelas Pett, Grismado & Ramírez, 2026 |
| 2026-04-23 | New taxonomic reference entry | Pett et al., 2026 | Neochelas mulcetus (Chickering, 1973) - Jamaica |
Log values