Muchmore, W.B. (1972f). The unique, cave-restricted genus Aphrastochthonius (Pseudoscorpionida, Chthoniidae). Proceedings of the Biological Society of Washington 85: 433–444.
| Taxon | |
|---|---|
| Aphrastochthonius Chamberlin, 1962 (Pseudoscorpiones: Chthoniidae) | 433–435, Aphrastochthonius |
| Aphrastochthonius tenax Chamberlin, 1962 (Pseudoscorpiones: Chthoniidae) | 435, figs 1–3, Aphrastochthonius tenax |
| Aphrastochthonius parvus Muchmore, 1972 (Pseudoscorpiones: Chthoniidae) | 437–438, figs 4–7, Aphrastochthonius parvus |
| Aphrastochthonius verapazanus Muchmore, 1972 (Pseudoscorpiones: Chthoniidae) | 438–440, figs 8–9, Aphrastochthonius verapazanus |
| Aphrastochthonius russelli Muchmore, 1972 (Pseudoscorpiones: Chthoniidae) | 440–441, figs 10–12, Aphrastochthonius russelli |