McIntire, S.J. (1868). On pseudo-scorpiones. Journal of the Quekett Microscopical Club 1: 8–14.
| Taxon | |
|---|---|
| Pseudoscorpiones de Geer, 1778 | 8, (as Pseudo-scorpiones), Pseudoscorpiones de Geer |
| Ephippiochthonius tetrachelatus (Preyssler, 1790) (Pseudoscorpiones: Chthoniidae) | 8, (misidentification), Obisium orthodactylum Leach |
| Chthonius orthodactylus (Leach, 1817) (Pseudoscorpiones: Chthoniidae) | 8, (misidentification; see Ephippiochthonius tetrachelatus), Obisium orthodactylum Leach |
| Chelifer Geoffroy, 1762 (Pseudoscorpiones: Cheliferidae) | 8, Chelifer |
| Neobisium Chamberlin, 1930 (Pseudoscorpiones: Neobisiidae) | 9, Obisium Illiger |