Craig, J.L. (1975). A checklist of the invertebrate species recorded from Missouri subterranean habitats. Missouri Speleology 15: 1–10.
| Taxon | |
|---|---|
| Apochthonius colecampi Muchmore, 1967 (Pseudoscorpiones: Chthoniidae) | 3, Apochthonius colecampi |
| Apochthonius typhlus Muchmore, 1967 (Pseudoscorpiones: Chthoniidae) | 3, Apochthonius typhlus |