Species list for Longoonops
| Taxon | Author | Action | Last updated |
|---|---|---|---|
| 1. Longoonops bicolor * | Platnick & Dupérré, 2010 | Catalog | - - |
| 2. Longoonops chickeringi | Platnick & Dupérré, 2010 | Catalog | - - |
| 3. Longoonops ellae | Platnick, Dupérré & Berniker, 2013 | Catalog | - - |
| 4. Longoonops gorda | Platnick & Dupérré, 2010 | Catalog | - - |
| 5. Longoonops noctucus | (Chickering, 1969) | Catalog | - - |
| 6. Longoonops padiscus | (Chickering, 1969) | Catalog | - - |