Taxa included

Muchmore, W.B. (1972g). New diplosphyronid pseudoscorpions, mainly cavernicolous, from Mexico (Arachnida, Pseudoscorpionida). Transactions of the American Microscopical Society 91: 261–276.

Taxon
Ideoblothrus mexicanus (Muchmore, 1972) (Pseudoscorpiones: Syarinidae) 262–264, figs 1–3, Pachychitra mexicana
Pachychitra similis Muchmore, 1972 (Pseudoscorpiones: Syarinidae) 264–265, figs 4–5, Pachychitra similis
Ideoblothrus grandis (Muchmore, 1972) (Pseudoscorpiones: Syarinidae) 266, figs 6–7, Pachychitra grandis
Vachoniidae Chamberlin, 1947 (Pseudoscorpiones) 267–268, Vachoniidae
Paravachonium Beier, 1956 (Pseudoscorpiones: Bochicidae) 268–269, Paravachonium
Paravachonium bolivari Beier, 1956 (Pseudoscorpiones: Bochicidae) 268–269, Paravachonium bolivari
Gymnobisiidae Beier, 1947 (Pseudoscorpiones) 268, Gymnobisiidae
Paravachonium superbum Muchmore, 1972 (Pseudoscorpiones: Bochicidae) 269, figs 8–11, Paravachonium superbum
Leucohya Chamberlin, 1946 (Pseudoscorpiones: Bochicidae) 271, Leucohya
Leucohya magnifica Muchmore, 1972 (Pseudoscorpiones: Bochicidae) 271–272, figs 12–13, Leucohya magnifica
Mexobisium Muchmore, 1972 (Pseudoscorpiones: Bochicidae) 272–273, Mexobisium
Mexobisium paradoxum Muchmore, 1972 (Pseudoscorpiones: Bochicidae) 273–275, figs 14–19, Mexobisium paradoxum