Packard, A.S. (1888). The cave fauna of North America, with remarks on the anatomy of the brain and origin of the blind species. Memoirs of the National Academy of Sciences 4: 1–156.
| Taxon | |
|---|---|
| Chitrella cavicola (Packard, 1884) (Pseudoscorpiones: Syarinidae) | 42, fig. 11, Obisium cavicola |
| Chelifer cancroides (Linnaeus, 1758) (Pseudoscorpiones: Cheliferidae) | 43, Chelifer cancroides (Linnaeus) |
| Kleptochthonius (Chamberlinochthonius) packardi (Hagen, 1879) (Pseudoscorpiones: Chthoniidae) | 43–46, figs 12a–g, plate 11 figs 3, 3a–j (as Chthonius packardii), Chthonius packardi (Hagen) |
| Apochthonius coecus (Packard, 1884) (Pseudoscorpiones: Chthoniidae) | 46–48, plate 11 figs 4, 4a–c, Chthonius coecus |