| Date | Type | Reference | Taxon | Comment |
|---|---|---|---|---|
| 2026-04-23 | New taxonomic reference entry | Pett et al., 2026 | Neochelas spicus (Platnick & Shadab, 1974) - Mexico | |
| 2026-04-23 | Species transferred to new genus | Pett et al., 2026 | Neochelas spicus (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 pacificus (Chamberlin & Ivie, 1935) - USA, Mexico | |
| 2026-04-23 | Species transferred to new genus | Pett et al., 2026 | Neochelas pacificus (Chamberlin & Ivie, 1935) - USA, 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 yugo Chamé-Vázquez & Jiménez, 2026 - Mexico | |
| 2026-04-23 | New species inserted | Chamé-Vázquez & Jiménez, 2026 | Phonotimpus pisaflores Chamé-Vázquez & Jiménez, 2026 - Mexico | |
| 2026-04-23 | New taxonomic reference entry | Pett et al., 2026 | Neochelas organatus (Platnick & Shadab, 1974) - USA, Mexico | |
| 2026-04-23 | Species transferred to new genus | Pett et al., 2026 | Neochelas organatus (Platnick & Shadab, 1974) - USA, 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 mexicanus (Banks, 1898) - USA, Mexico | |
| 2026-04-23 | Species transferred to new genus | Pett et al., 2026 | Neochelas mexicanus (Banks, 1898) - USA, 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 gloriamarielae (D. Chamé-Vázquez & E. R. Chamé-Vázquez, 2025) - Mexico | |
| 2026-04-23 | Species transferred to new genus | Pett et al., 2026 | Neochelas gloriamarielae (D. Chamé-Vázquez & E. R. Chamé-Vázquez, 2025) - 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 depressus (Platnick & Shadab, 1974) - Mexico | |
| 2026-04-23 | Species transferred to new genus | Pett et al., 2026 | Neochelas depressus (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 cambridgei (Kraus, 1955) - El Salvador, Costa Rica, Panama | |
| 2026-04-23 | Species transferred to new genus | Pett et al., 2026 | Neochelas cambridgei (Kraus, 1955) - El Salvador, 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 transversus (F. O. Pickard-Cambridge, 1899) - Mexico, Costa Rica | |
| 2026-04-23 | Species transferred to new genus | Pett et al., 2026 | Neochelas transversus (F. O. Pickard-Cambridge, 1899) - Mexico, 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 spinulatus (F. O. Pickard-Cambridge, 1899) - Guatemala, El Salvador, Nicaragua | |
| 2026-04-23 | New taxonomic reference entry | Chamé-Vázquez & Jiménez, 2026 | Phonotimpus marialuisae Chamé-Vázquez & Ibarra-Núñez, 2019 - Mexico | |
| 2026-04-23 | Species transferred to new genus | Pett et al., 2026 | Neochelas spinulatus (F. O. Pickard-Cambridge, 1899) - Guatemala, El Salvador, 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 speciosus (Banks, 1898) - Mexico | |
| 2026-04-23 | Species transferred to new genus | Pett et al., 2026 | Neochelas speciosus (Banks, 1898) - 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 jacala Chamé-Vázquez & Jiménez, 2026 - Mexico | |
| 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 |
Log values