Taxa included

Beier, M. (1955m). Pseudoscorpionidea. In: Titschack, E. (ed.) Beiträge zur Fauna Perus, nach der Ausbeute der Hamburger Südperu-Expedition 1936, und anderen Sammlungen, wie auch auf Grund von Literaturangaben Gustav Fischer, Jena 4: 1–12.

Taxon
Tridenchthonius peruanus Beier, 1955 (Pseudoscorpiones: Chthoniidae) 1–2, fig. 1, Tridenchthonius peruanus
Tyrannochthonius pusillus Beier, 1955 (Pseudoscorpiones: Chthoniidae) 2–3, fig. 2, Tyrannochthonius pusillus
Ideoblothrus fenestratus (Beier, 1955) (Pseudoscorpiones: Syarinidae) 3–4, figs 3–5, Ideobisium fenestratum
Cordylochernes scorpioides (Linnaeus, 1758) (Pseudoscorpiones: Chernetidae) 5–6, Cordylochernes scorpioides (Linnaeus)
Stenolpium Beier, 1955 (Pseudoscorpiones: Hesperolpiidae) 5, Stenolpium
Stenolpium peruanum Beier, 1955 (Pseudoscorpiones: Hesperolpiidae) 5, Stenolpium peruanum
Americhernes ovatus (Balzan, 1892) (Pseudoscorpiones: Chernetidae) 5, Lustrochernes ovatus (Balzan)
Parachernes (Parachernes) peruanus Beier, 1955 (Pseudoscorpiones: Chernetidae) 6–7, figs 6–7 (in part; see Parachernes (Parachernes) fallax Beier), Parachernes (Argentochernes) peruanus
Parachernes (Parachernes) fallax Beier, 1959 (Pseudoscorpiones: Chernetidae) 6–7, (misidentification, in part), Parachernes (Argentochernes) peruanus Beier
Rhinochernes Beier, 1955 (Pseudoscorpiones: Chernetidae) 7–8, Rhinochernes
Rhinochernes granulatus Beier, 1955 (Pseudoscorpiones: Chernetidae) 8–9, figs 8–9, Rhinochernes granulatus
Rhopalochernes titschacki Beier, 1955 (Pseudoscorpiones: Chernetidae) 9–10, fig. 10, Rhopalochernes titschacki
Parazaona bocki (Tullgren, 1907) (Pseudoscorpiones: Chernetidae) 10, Parazaona bocki (Tullgren)
Semeiochernes armiger (Balzan, 1892) (Pseudoscorpiones: Chernetidae) 10, Semeiochernes armiger (Balzan)
Tropidowithius Beier, 1955 (Pseudoscorpiones: Withiidae) 10–11, Tropidowithius
Parawithius pseudorufus Beier, 1932 (Pseudoscorpiones: Withiidae) 11, Tropidowithius pseudorufus (Beier)
Victorwithius fiebrigi (Beier, 1932) (Pseudoscorpiones: Withiidae) 11, Tropidowithius fiebrigi (Beier)
Victorwithius rufus (Balzan, 1887) (Pseudoscorpiones: Withiidae) 11, Tropidowithius rufus (Balzan)
Tropidowithius peruanus Beier, 1955 (Pseudoscorpiones: Withiidae) 11–12, fig. 11, Tropidowithius peruanus