| 2021-04-01 | New taxonomic reference entry | Acroterius inversus Irfan, Bashir & Peng, 2021 | China | | Irfan, Bashir & Peng, 2021 |
| 2021-04-01 | New taxonomic reference entry | Acroterius hamatus Irfan, Bashir & Peng, 2021 | China | | Irfan, Bashir & Peng, 2021 |
| 2021-04-01 | New taxonomic reference entry | Acroterius circinatus Irfan, Bashir & Peng, 2021 | China | | Irfan, Bashir & Peng, 2021 |
| 2021-04-01 | New species inserted | Acroterius inversus Irfan, Bashir & Peng, 2021 | China | | Irfan, Bashir & Peng, 2021 |
| 2021-04-01 | New species inserted | Acroterius hamatus Irfan, Bashir & Peng, 2021 | China | | Irfan, Bashir & Peng, 2021 |
| 2021-04-01 | New species inserted | Acroterius circinatus Irfan, Bashir & Peng, 2021 | China | | Irfan, Bashir & Peng, 2021 |
| 2021-04-01 | New taxonomic reference entry | Acroterius camur Irfan, Bashir & Peng, 2021 | China | | Irfan, Bashir & Peng, 2021 |
| 2021-04-01 | New taxonomic reference entry | Acroterius brevis Irfan, Bashir & Peng, 2021 | China | | Irfan, Bashir & Peng, 2021 |
| 2021-04-01 | New taxonomic reference entry | Acroterius absentus Irfan, Bashir & Peng, 2021 | China | | Irfan, Bashir & Peng, 2021 |
| 2021-04-01 | New species inserted | Acroterius camur Irfan, Bashir & Peng, 2021 | China | | Irfan, Bashir & Peng, 2021 |
| 2021-04-01 | New species inserted | Acroterius brevis Irfan, Bashir & Peng, 2021 | China | | Irfan, Bashir & Peng, 2021 |
| 2021-04-01 | New species inserted | Acroterius absentus Irfan, Bashir & Peng, 2021 | China | | Irfan, Bashir & Peng, 2021 |
| 2021-04-01 | New genus inserted | Acroterius Irfan, Bashir & Peng, 2021 | | Irfan, Bashir & Peng, 2021 |
| 2021-04-01 | Reference included | | | Oliveira & Brescovit, 2021b |
| 2021-04-01 | New taxonomic reference entry | Xiruana gracilipes (Keyserling, 1891) | Bolivia, Brazil, Argentina | | Oliveira & Brescovit, 2021b |
| 2021-04-01 | New taxonomic reference entry | Aysha prospera Keyserling, 1891 | Bolivia, Brazil, Uruguay, Argentina | | Oliveira & Brescovit, 2021b |
| 2021-04-01 | New taxonomic reference entry | Tafana orinoco Oliveira & Brescovit, 2021 | Venezuela | | Oliveira & Brescovit, 2021b |
| 2021-04-01 | New taxonomic reference entry | Tafana oliviae Oliveira & Brescovit, 2021 | Argentina | | Oliveira & Brescovit, 2021b |
| 2021-04-01 | New taxonomic reference entry | Tafana pitieri Oliveira & Brescovit, 2021 | Venezuela | | Oliveira & Brescovit, 2021b |
| 2021-04-01 | New taxonomic reference entry | Patrera fulvastra Simon, 1903 | Colombia, Ecuador | | Oliveira & Brescovit, 2021b |
| 2021-04-01 | New taxonomic reference entry | Arachosia praesignis (Keyserling, 1891) | Brazil, Argentina | | Oliveira & Brescovit, 2021b |
| 2021-04-01 | New species inserted | Tafana orinoco Oliveira & Brescovit, 2021 | Venezuela | | Oliveira & Brescovit, 2021b |
| 2021-04-01 | New species inserted | Tafana oliviae Oliveira & Brescovit, 2021 | Argentina | | Oliveira & Brescovit, 2021b |
| 2021-04-01 | New species inserted | Tafana pitieri Oliveira & Brescovit, 2021 | Venezuela | | Oliveira & Brescovit, 2021b |
| 2021-04-01 | New taxonomic reference entry | Tafana arawak Oliveira & Brescovit, 2021 | Venezuela | | Oliveira & Brescovit, 2021b |
| 2021-04-01 | New taxonomic reference entry | Tafana maracay Oliveira & Brescovit, 2021 | Venezuela | | Oliveira & Brescovit, 2021b |
| 2021-04-01 | New taxonomic reference entry | Tafana chimire Oliveira & Brescovit, 2021 | Venezuela | | Oliveira & Brescovit, 2021b |
| 2021-04-01 | New species inserted | Tafana arawak Oliveira & Brescovit, 2021 | Venezuela | | Oliveira & Brescovit, 2021b |
| 2021-04-01 | New species inserted | Tafana maracay Oliveira & Brescovit, 2021 | Venezuela | | Oliveira & Brescovit, 2021b |
| 2021-04-01 | New species inserted | Tafana chimire Oliveira & Brescovit, 2021 | Venezuela | | Oliveira & Brescovit, 2021b |
| 2021-04-01 | New taxonomic reference entry | Tafana silhavyi (Caporiacco, 1955) | Venezuela | | Oliveira & Brescovit, 2021b |
| 2021-04-01 | First description of female | Tafana silhavyi (Caporiacco, 1955) | Venezuela | (Old value) | Oliveira & Brescovit, 2021b |
| 2021-04-01 | New taxonomic reference entry | Tafana ruizi Oliveira & Brescovit, 2021 | Colombia | | Oliveira & Brescovit, 2021b |
| 2021-04-01 | New taxonomic reference entry | Tafana huatanay Oliveira & Brescovit, 2021 | Colombia, Ecuador, Peru, Bolivia | | Oliveira & Brescovit, 2021b |
| 2021-04-01 | New taxonomic reference entry | Tafana nevada Oliveira & Brescovit, 2021 | Colombia, Venezuela | | Oliveira & Brescovit, 2021b |
| 2021-04-01 | New species inserted | Tafana ruizi Oliveira & Brescovit, 2021 | Colombia | | Oliveira & Brescovit, 2021b |
| 2021-04-01 | New species inserted | Tafana huatanay Oliveira & Brescovit, 2021 | Colombia, Ecuador, Peru, Bolivia | | Oliveira & Brescovit, 2021b |
| 2021-04-01 | New species inserted | Tafana nevada Oliveira & Brescovit, 2021 | Colombia, Venezuela | | Oliveira & Brescovit, 2021b |
| 2021-04-01 | New taxonomic reference entry | Tafana pastaza Oliveira & Brescovit, 2021 | Ecuador | | Oliveira & Brescovit, 2021b |
| 2021-04-01 | New taxonomic reference entry | Tafana humahuaca Oliveira & Brescovit, 2021 | Argentina | | Oliveira & Brescovit, 2021b |
| 2021-04-01 | New taxonomic reference entry | Tafana kunturmarqa Oliveira & Brescovit, 2021 | Colombia | | Oliveira & Brescovit, 2021b |
| 2021-04-01 | New species inserted | Tafana pastaza Oliveira & Brescovit, 2021 | Ecuador | | Oliveira & Brescovit, 2021b |
| 2021-04-01 | New species inserted | Tafana humahuaca Oliveira & Brescovit, 2021 | Argentina | | Oliveira & Brescovit, 2021b |
| 2021-04-01 | New species inserted | Tafana kunturmarqa Oliveira & Brescovit, 2021 | Colombia | | Oliveira & Brescovit, 2021b |
| 2021-04-01 | New taxonomic reference entry | Tafana quelchi (Pocock, 1895) | Venezuela, Guayana, Brazil | | Oliveira & Brescovit, 2021b |
| 2021-04-01 | Species distribution update | Tafana quelchi (Pocock, 1895) | Venezuela, Guayana, Brazil | (Old value) | Oliveira & Brescovit, 2021b |
| 2021-04-01 | New taxonomic reference entry | Tafana straminea (L. Koch, 1866) | Colombia, Ecuador | | Oliveira & Brescovit, 2021b |
| 2021-04-01 | First description of female | Tafana straminea (L. Koch, 1866) | Colombia, Ecuador | (Old value) | Oliveira & Brescovit, 2021b |
| 2021-04-01 | First description of male | Tafana straminea (L. Koch, 1866) | Colombia, Ecuador | (Old value) | Oliveira & Brescovit, 2021b |
| 2021-04-01 | Species distribution update | Tafana straminea (L. Koch, 1866) | Colombia, Ecuador | (Old value) | Oliveira & Brescovit, 2021b |