Mecoptera (Fleas, Scorpionflies, etc.)
Family: Bittacidae
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Eremobittacus spinulatus | Byers, 1997 | - | - | Mexico | Rediscovered | Access |
Family: Hectopsyllidae
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Karethraichnus minimum | Moura et al., 2021 | ? | Bahia, Brazil | Ichnotaxon | Access |
Family: Panorpidae
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Panorpa floridana | Byers, 1993 | - | Florida, USA | Rediscovered | Access |
Family: Pulicidae
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Xenopsylla nesiotes | (Jordan & Rothschild, 1908) | Christmas Island flea | 1903 or before | Christmas Island, Australia | Extinct | Access |