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
Chthonius ischnocheles (Hermann, 1804) (Pseudoscorpiones: Chthoniidae) 141, Chthonius (Chthonius) ischnocheles (Hermann)
Ephippiochthonius tetrachelatus (Preyssler, 1790) (Pseudoscorpiones: Chthoniidae) 141–142, Chthonius (Ephippiochthonius) tetrachelatus (Preyssler)
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 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)
Roncus euchirus (Simon, 1879) (Pseudoscorpiones: Neobisiidae) 143, Roncus euchirus (Simon)
Olpium pallipes (Lucas, 1849) (Pseudoscorpiones: Olpiidae) 144, Olpium pallipes (Lucas)
Geogarypus minor (L. Koch, 1873) (Pseudoscorpiones: Geogarypidae) 144, Geogarypus minor (L. Koch)
Garypus saxicola Waterhouse, 1878 (Pseudoscorpiones: Garypidae) 144, Garypus saxicola
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
Mesochelifer Vachon, 1940 (Pseudoscorpiones: Cheliferidae) 159, Mesochelifer