Taxa included

Vachon, M. (1940g). Éléments de la faune portugaise des Pseudoscorpions (Arachnides) avec description de quatre espèces nouvelles. Anais da Faculdade de Ciencias do Porto Academia Polytechnica do Porto 25: 141–164.

Taxon
Ephippiochthonius tetrachelatus (Preyssler, 1790) (Pseudoscorpiones: Chthoniidae) 141–142, Chthonius (Ephippiochthonius) tetrachelatus (Preyssler)
Chthonius ischnocheles (Hermann, 1804) (Pseudoscorpiones: Chthoniidae) 141, Chthonius (Chthonius) ischnocheles (Hermann)
Ephippiochthonius hispanus (Beier, 1930) (Pseudoscorpiones: Chthoniidae) 142, Chthonius (Ephippiochthonius) hispanus
Neobisium (Neobisium) bernardi Vachon, 1937 (Pseudoscorpiones: Neobisiidae) 142, Neobisium bernardi
Neobisium (Neobisium) dolicodactylum (Canestrini, 1876) (Pseudoscorpiones: Neobisiidae) 142, Neobisium dolicodactylum (Canestrini)
Neobisium (Neobisium) incertum Chamberlin, 1930 (Pseudoscorpiones: Neobisiidae) 142, Neobisium incertum
Neobisium (Neobisium) ischyrum (Navás, 1918) (Pseudoscorpiones: Neobisiidae) 143, Neobisium ischyrum (Navás)
Roncus euchirus (Simon, 1879) (Pseudoscorpiones: Neobisiidae) 143, Roncus euchirus (Simon)
Roncus lubricus L. Koch, 1873 (Pseudoscorpiones: Neobisiidae) 143, Roncus lubricus
Obisium dumicola C.L. Koch, 1835 (Pseudoscorpiones: Cheliferidae) 143, Microbisium dumicola (C.L. Koch)
Obisium muscorum Leach, 1817 (Pseudoscorpiones: Cheliferidae) 143, Neobisium muscorum (Leach)
Roncocreagris cambridgii (L. Koch, 1873) (Pseudoscorpiones: Neobisiidae) 143–144, (as Microcreagris cambridgei), Microcreagris cambridgii (L. Koch)
Neobisium (Neobisium) simoni (L. Koch, 1873) (Pseudoscorpiones: Neobisiidae) 143, Neobisium simoni (L. Koch)
Geogarypus minor (L. Koch, 1873) (Pseudoscorpiones: Geogarypidae) 144, Geogarypus minor (L. Koch)
Garypus saxicola Waterhouse, 1878 (Pseudoscorpiones: Garypidae) 144, Garypus saxicola
Olpium pallipes (Lucas, 1849) (Pseudoscorpiones: Olpiidae) 144, Olpium pallipes (Lucas)
Microcreagris maroccana Beier, 1931 (Pseudoscorpiones: Neobisiidae) 144, Microcreagris maroccana
Withius hispanus (L. Koch, 1873) (Pseudoscorpiones: Withiidae) 145, Withius hispanus (L. Koch)
Lamprochernes nodosus (Schrank, 1803) (Pseudoscorpiones: Chernetidae) 145, Lamprochernes nodosus (Schrank)
Hysterochelifer tuberculatus (Lucas, 1849) (Pseudoscorpiones: Cheliferidae) 145, (as Histerochelifer [sic] tuberculatus), Hysterochelifer tuberculatus (Lucas)
Rhacochelifer disjunctus (L. Koch, 1873) (Pseudoscorpiones: Cheliferidae) 145, Rhacochelifer disjunctus (Beier)
Occidenchthonius machadoi (Vachon, 1940) (Pseudoscorpiones: Chthoniidae) 145–147, figs 1–6, Chthonius (Ephippiochthonius) machadoi
Occidenchthonius minutus (Vachon, 1940) (Pseudoscorpiones: Chthoniidae) 147–149, figs 7–11, Chthonius (Ephippiochthonius) minutus
Allochernes (Allochernes) barrosi Vachon, 1940 (Pseudoscorpiones: Chernetidae) 151–153, figs 12–18 (synonymised by Beier, 1962c: 25), Allochernes (Allochernes) barrosi
Mesochelifer fradei Vachon, 1940 (Pseudoscorpiones: Cheliferidae) 155–159, figs 22–27, Mesochelifer fradei
Mesochelifer Vachon, 1940 (Pseudoscorpiones: Cheliferidae) 159, Mesochelifer