Family: Cryptocorynetidae (Blind ramipedes)
| Genus and Selected Species | Image |
| Angirasu benjamini |  |
| Cryptocorynetes elmorei |  |
| Kaloketos pilosus |  |
Family: Godzilliidae
| Genus and Selected Species | Image |
| Godzilliognomus schrami |  |
| Godzillius robustus | |
| Pleomothra fragilis |  |
Family: Kumongidae
| Genus and Selected Species | Image |
| Kumonga exleyi |  |
Family: Micropacteridae
| Genus and Selected Species | Image |
| Micropacter yagerae |  |
Family: Morlockiidae
| Genus and Selected Species | Image |
| Morlockia emersoni |  |
Family: Speleonectidae
| Genus and Selected Species | Image |
| Lasionectes entrichoma |  |
| Speleonectes atlantida |  |
Family: Xibalbanidae
| Genus and Selected Species | Image |
| Xibalbanus cozumelensis |  |