| Date | Type | Reference | Taxon | Comment |
|---|---|---|---|---|
| 2026-04-23 | New taxonomic reference entry | Pett et al., 2026 | Neochelas sinuosus (Platnick & Shadab, 1974) - USA | |
| 2026-04-23 | Species transferred to new genus | Pett et al., 2026 | Neochelas sinuosus (Platnick & Shadab, 1974) - USA | 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 similis (F. O. Pickard-Cambridge, 1899) - USA, Mexico, Guatemala, Costa Rica | |
| 2026-04-23 | Species transferred to new genus | Pett et al., 2026 | Neochelas similis (F. O. Pickard-Cambridge, 1899) - USA, Mexico, Guatemala, 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 odoreus (Rivera-Quiroz & Álvarez-Padilla, 2015) - Mexico | |
| 2026-04-23 | New taxonomic reference entry | Chamé-Vázquez & Jiménez, 2026 | Phonotimpus ibarrai Chamé-Vázquez & Jiménez, 2026 - Mexico | |
| 2026-04-23 | Species transferred to new genus | Pett et al., 2026 | Neochelas odoreus (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 latus (Platnick & Shadab, 1974) - Mexico, Guatemala | |
| 2026-04-23 | Species transferred to new genus | Pett et al., 2026 | Neochelas latus (Platnick & Shadab, 1974) - Mexico, Guatemala | 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 lanceolatus (F. O. Pickard-Cambridge, 1899) - Mexico | |
| 2026-04-23 | New species inserted | Chamé-Vázquez & Jiménez, 2026 | Phonotimpus jacala Chamé-Vázquez & Jiménez, 2026 - Mexico | |
| 2026-04-23 | Species transferred to new genus | Pett et al., 2026 | Neochelas lanceolatus (F. O. Pickard-Cambridge, 1899) - Mexico | Species transferred from Trachelas L. Koch, 1872 to Neochelas Pett, Grismado & Ramírez, 2026 |
| 2026-04-23 | New species inserted | Chamé-Vázquez & Jiménez, 2026 | Phonotimpus ibarrai Chamé-Vázquez & Jiménez, 2026 - Mexico | |
| 2026-04-23 | New taxonomic reference entry | Pett et al., 2026 | Neochelas huachucanus (Gertsch, 1942) - USA, Mexico | |
| 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 |
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