Snodgrass, R.E. (1948). The feeding organs of Arachnida, including mites and ticks. Smithsonian Miscellaneous Collections 110(10): 1–93.
| Taxon | |
|---|---|
| Apochthonius intermedius Chamberlin, 1929 (Pseudoscorpiones: Chthoniidae) | n/a, fig. 12a, Apochthonius intermedius Chamberlin |
| Dasychernes inquilinus Chamberlin, 1929 (Pseudoscorpiones: Chernetidae) | n/a, fig. 5g, Dasychernes inquilinus |
| Garypus sini Chamberlin, 1923 (Pseudoscorpiones: Garypidae) | n/a, fig. 12c–e, Garypus sini |