Taxa included

Muchmore, W.B. (1976d). New cavernicolous species of Kleptochthonius, and recognition of a new species group within the genus (Pseudoscorpionida: Chthoniidae). Entomological News 87: 211–217.

Taxon
Kleptochthonius (Chamberlinochthonius) stygius Muchmore, 1965 (Pseudoscorpiones: Chthoniidae) n/a, fig. 4, Kleptochthonius (Chamberlinochthonius) stygius
Kleptochthonius (Chamberlinochthonius) tantalus Muchmore, 1966 (Pseudoscorpiones: Chthoniidae) n/a, fig. 5, Kleptochthonius (Chamberlinochthonius) tantalus
Kleptochthonius (Kleptochthonius) crosbyi (Chamberlin, 1929) (Pseudoscorpiones: Chthoniidae) n/a, fig. 6, Kleptochthonius (Kleptochthonius) crosbyi (Chamberlin) (?)
Kleptochthonius (Chamberlinochthonius) proximosetus Muchmore, 1976 (Pseudoscorpiones: Chthoniidae) 213–215, figs 1–3, Kleptochthonius (Chamberlinochthonius) proximosetus
Kleptochthonius (Chamberlinochthonius) affinis Muchmore, 1976 (Pseudoscorpiones: Chthoniidae) 215–216, fig. 7, Kleptochthonius (Chamberlinochthonius) affinis
Kleptochthonius (Chamberlinochthonius) similis Muchmore, 1976 (Pseudoscorpiones: Chthoniidae) 216–217, fig. 8, Kleptochthonius (Chamberlinochthonius) similis