Taxa included

Chamberlin, J.C. (1923c). New and little known pseudoscorpions, principally from the islands and adjacent shores of the Gulf of California. Proceedings of the California Academy of Sciences (4) 12: 353–387.

Taxon
Paraliochthonius johnstoni (Chamberlin, 1923) (Pseudoscorpiones: Chthoniidae) 357–358, plate 2, fig. 17, plate 3, figs 11–13, Chthonius johnstoni
Bochica withi (Chamberlin, 1923) (Pseudoscorpiones: Bochicidae) 359, Ideoroncus withi
Albiorix mexicanus (Banks, 1898) (Pseudoscorpiones: Ideoroncidae) 359–360, plate 2 fig. 13, plate 3 figs 14, 34, Ideoroncus mexicanus
Garypus giganteus Chamberlin, 1921 (Pseudoscorpiones: Garypidae) 360–361, Garypus giganteus
Garypus sini Chamberlin, 1923 (Pseudoscorpiones: Garypidae) 361–362, plate 2, fig. 20, Garypus sini
Garypus pallidus Chamberlin, 1923 (Pseudoscorpiones: Garypidae) 362–363, plate 3, fig. 7, Garypus pallidus
Hesperolpium slevini (Chamberlin, 1923) (Pseudoscorpiones: Hesperolpiidae) 363–364, plate 2, figs 15–16, plate 3, figs 10, 16, Olpium slevini
Minniza Simon, 1881 (Pseudoscorpiones: Olpiidae) 364, Minniza
Minniza lindahli Chamberlin, 1923 (Pseudoscorpiones: Olpiidae) 365–366, plate 2 fig. 12 (synonymised by Muchmore, 2001b: 230), Minniza lindahli
Menthus rossi (Chamberlin, 1923) (Pseudoscorpiones: Menthidae) 365, plate 1 fig. 5, plate 2 fig. 11, plate 3 figs 9, 17, Minniza rossi
Solinus corticola (Chamberlin, 1923) (Pseudoscorpiones: Garypinidae) 366, plate 1 fig. 2, plate 2 fig. 1 (as Garypinus corticolus [sic]), Garypinus corticola
Serianus solus (Chamberlin, 1923) (Pseudoscorpiones: Garypinidae) 367–368, plate 1 fig. 3, plate 2 fig. 3, Garypinus solus
Serianus serianus (Chamberlin, 1923) (Pseudoscorpiones: Garypinidae) 367, fig. 1, plate 1 fig. 1, plate 2 fig. 6, Garypinus serianus
Serianus litoralis (Chamberlin, 1923) (Pseudoscorpiones: Garypinidae) 368, plate 1 fig. 4, plate 2 fig. 4, Garypinus litoralis
Serianus arboricola (Chamberlin, 1923) (Pseudoscorpiones: Garypinidae) 369, plate 2, fig. 5 (as Garypinus arboricolus [sic]), Garypinus arboricola
Cheliferidae Risso, 1827 (Pseudoscorpiones) 369, Cheliferidae
Sternophoridae Chamberlin, 1923 (Pseudoscorpiones) 370–371, Sternophorinae
Pseudochiridiidae Chamberlin, 1923 (Pseudoscorpiones) 370, (as Pseudocheiridiinae [sic]), Pseudochiridiinae
Sternophorus Chamberlin, 1923 (Pseudoscorpiones: Sternophoridae) 371, Sternophorus
Garyops sini (Chamberlin, 1923) (Pseudoscorpiones: Sternophoridae) 371–372, plate 1, fig. 6, plate 2, fig. 21, plate 3, figs 6, 15, 22–25, Sternophorus sini
Chelifer Geoffroy, 1762 (Pseudoscorpiones: Cheliferidae) 372, Chelifer
Hysterochelifer geronimoensis (Chamberlin, 1923) (Pseudoscorpiones: Cheliferidae) 373, plate 2 fig. 6, Chelifer geronimoensis
Haplochelifer philipi (Chamberlin, 1923) (Pseudoscorpiones: Cheliferidae) 374, plate 2 fig. 8, plate 3 figs 19, 21, 26, Chelifer philipi
Parachelifer hubbardi (Banks, 1901) (Pseudoscorpiones: Cheliferidae) 374–375, plate 2 fig. 10, plate 3 fig. 33, Chelifer hubbardi
Parachelifer sini (Chamberlin, 1923) (Pseudoscorpiones: Cheliferidae) 375–376, plate 2 fig. 7, plate 3 figs 18, 20, 32, Chelifer sini
Parachelifer lativittatus (Chamberlin, 1923) (Pseudoscorpiones: Cheliferidae) 375, plate 2 fig. 9, Chelifer lativittatus
Withius Kew, 1911 (Pseudoscorpiones: Withiidae) 376–377, Withius Kew
Withius lagunae (Moles, 1914) (Pseudoscorpiones: Withiidae) 377, Withius lagunae (Moles)
Cacodemonius cactorum (Chamberlin, 1923) (Pseudoscorpiones: Withiidae) 377, plate 1 fig. 7, plate 2 fig. 14, Withius cactorum
Dinochernes vanduzeei (Chamberlin, 1923) (Pseudoscorpiones: Chernetidae) 378–379, plate 2 figs 22–23, Chelanops vanduzeei
Mexachernes carminis (Chamberlin, 1923) (Pseudoscorpiones: Chernetidae) 378, plate 1 fig. 10, plate 3 figs 3–5, 27, Chelanops carminis
Dinocheirus arizonensis (Banks, 1901) (Pseudoscorpiones: Chernetidae) 379–380, plate 3 figs 8, 30, Chelanops arizonensis
Lustrochernes ariditatis (Chamberlin, 1923) (Pseudoscorpiones: Chernetidae) 380, plate 1 fig. 8, plate 3 figs 1–2, 28, Chelanops ariditatis
Parachernes (Parachernes) vastitatis (Chamberlin, 1923) (Pseudoscorpiones: Chernetidae) 381, plate 1 fig. 9, plate 2 figs 18–19, plate 3 fig. 29, Chelanops vastitatis