Taxa included

Weygoldt, P. (1971a). Vergleichend-embryologische Untersuchungen an Pseudoscorpionen V. Das Embryonalstadium mit seinem Pumporgan bei verschiedenen Arten und sein Wert als taxonomisches Merkmal.. Zeitschrift für die Zoologische Systematik und Evolutionforschung 9: 3–29.

Taxon
Serianus carolinensis Muchmore, 1968 (Pseudoscorpiones: Garypinidae) 5–8, figs 1–7, Serianus carolinensis
Garypus levantinus Navás, 1925 (Pseudoscorpiones: Garypidae) 9–10, figs 8–9, Garypus levantinus
Garypus beauvoisii (Audouin, 1826) (Pseudoscorpiones: Garypidae) 9–10, (as Garypus beauvoisi), Garypus beauvoisii (Audouin)
Geogarypus nigrimanus (Simon, 1879) (Pseudoscorpiones: Geogarypidae) 10–12, figs 10–12, Geogarypus nigrimanus (Simon)
Atemnus politus (Simon, 1878) (Pseudoscorpiones: Atemnidae) 13, fig. 13, Atemnus politus (Simon)
Parachernes corticis Muchmore and Alteri, 1969 (Pseudoscorpiones: Chernetidae) 14, fig. 17 (synonymised by Muchmore and Alteri, 1974: 486), Parachernes corticis
Allochernes powelli (Kew, 1916) (Pseudoscorpiones: Chernetidae) 14, figs 19, 21, 22, Allochernes powelli (Kew)
Chelifer communis pennsylvanicus Ellingsen, 1910 (Pseudoscorpiones: Cheliferidae) 14, fig. 14, Lustrochernes pennsylvanicus (Ellingsen)
Lamprochernes chyzeri (Tömösváry, 1883) (Pseudoscorpiones: Chernetidae) 14, fig. 20, Lamprochernes chyzeri (Tömösváry)
Parachernes (Parachernes) litoralis Muchmore and Alteri, 1969 (Pseudoscorpiones: Chernetidae) 14, fig. 16, Parachernes litoralis
Chelifer subruber Simon, 1879 (Pseudoscorpiones: Cheliferidae) 14, fig. 23, Withius subruber (Simon)
Lustrochernes carolinensis Muchmore, 1991 (Pseudoscorpiones: Chernetidae) 14, fig. 14 (misidentification), Lustrochernes pennsylvanicus (Ellingsen)
Americhernes oblongus (Say, 1821) (Pseudoscorpiones: Chernetidae) 14, figs 15, Lamprochernes oblongus (Say)
Epactiochernes tumidus (Banks, 1895) (Pseudoscorpiones: Chernetidae) 14, fig. 18, Dinocheirus tumidus (Banks)
Hysterochelifer tuberculatus (Lucas, 1849) (Pseudoscorpiones: Cheliferidae) 16, Hysterochelifer tuberculatus (Lucas)
Hysterochelifer meridianus (L. Koch, 1873) (Pseudoscorpiones: Cheliferidae) 16, fig. 24, Hysterochelifer meridianus (L. Koch)
Parachelifer superbus Hoff, 1964 (Pseudoscorpiones: Cheliferidae) 17–18, figs 28–29, Parachelifer superbus
Dactylochelifer latreillii (Leach, 1817) (Pseudoscorpiones: Cheliferidae) 19–21, figs 30–32, Dactylochelifer latreillii (Leach)
Rhacochelifer disjunctus (L. Koch, 1873) (Pseudoscorpiones: Cheliferidae) 21–22, figs 33–34, Rhacochelifer disjunctus (Beier)
Pseudogarypus banksi Jacot, 1938 (Pseudoscorpiones: Pseudogarypidae) 22–24, figs 35–36, Pseudogarypus banksi