Packard, A.S. (1884). New cave arachnids. American Naturalist 18: 202–204.
| Taxon | |
|---|---|
| Chitrella cavicola (Packard, 1884) (Pseudoscorpiones: Syarinidae) | 202–203, fig. 1 (as Obisium cavirola [sic], Obisium cavicola |
| Apochthonius coecus (Packard, 1884) (Pseudoscorpiones: Chthoniidae) | 203, Chthonius coecus |