Rowland, J.M. (1972b). Origins and distribution of two species groups of Schizomida (Arachnida). Southwestern Naturalist 17: 153–160.
| Taxon | |
|---|---|
| Hubbardia belkini (McDonald and Hogue, 1957) (Schizomida: Hubbardiidae) | 153–159, fig. 1, Trithyreus belkini |
| Hubbardia borregoensis (Briggs and Hom, 1966) (Schizomida: Hubbardiidae) | 153–159, fig. 1, Trithyreus borregoensis |
| Hubbardia joshuensis (Rowland, 1971) (Schizomida: Hubbardiidae) | 153–159, fig. 1, Trithyreus joshuensis |
| Hubbardia pentapeltis Cook, 1899 (Schizomida: Hubbardiidae) | 153–159, fig. 1, Trithyreus pentapeltis (Cook) |