Peck, S.B. & Lewis, J.L. (1977). Zoogeography and evolution of the subterranean invertebrate faunas of Illinois and southeastern Missouri. Bulletin of the National Speleological Society 40: 39–63.
| Taxon | |
|---|---|
| Apochthonius mysterius Muchmore, 1976 (Pseudoscorpiones: Chthoniidae) | 47, Apochthonius mysterius |
| Mundochthonius cavernicola Muchmore, 1968 (Pseudoscorpiones: Chthoniidae) | 47, (as Mundochthonius cavernicolus [sic]), Mundochthonius cavernicola |