Taxa included

Hadži, J. (1939b). Pseudoskorpioniden aus Bulgarien. Mitteilungen aus dem Königl. Naturwissenschaftlichen Institut in Sofia 13: 18–48.

Taxon
Chthonius troglodites Redikorzev, 1928 (Pseudoscorpiones: Chthoniidae) 20–21, figs 1a–f (as Chthonius (Chthonius) troglodites [sic]), Chthonius (Chthonius) troglodites Redikorzev
Chthonius cavophilus Hadži, 1939 (Pseudoscorpiones: Chthoniidae) 21–22, figs 2a–e, Chthonius (Chthonius) cavophilus
Ephippiochthonius serbicus (Hadži, 1937) (Pseudoscorpiones: Chthoniidae) 22–23, Chthonius (Ephippiochthonius) tetrachelatus serbicus
Ephippiochthonius microtuberculatus (Hadži, 1937) (Pseudoscorpiones: Chthoniidae) 23–24, figs 3a–d, Chthonius (Ephippiochthonius) microtuberculatus
Neobisium (Neobisium) sylvaticum inaculeatum Hadži, 1939 (Pseudoscorpiones: Neobisiidae) 24, figs 4a–h (synonymised by Schawaller, 1989: 9), Neobisium (Neobisium) sylvaticum inaculeatum
Neobisium (Neobisium) cephalonicum (Daday, 1889) (Pseudoscorpiones: Neobisiidae) 26–27, figs 5a–c, Neobisium (Neobisium) cephalonicum (Daday)
Neobisium (Neobisium) fuscimanum (C.L. Koch, 1843) (Pseudoscorpiones: Neobisiidae) 27–30, figs 6a–g, Neobisium (Neobisium) fuscimanum (C.L. Koch)
Neobisium (Neobisium) carcinoides carcinoides (Hermann, 1804) (Pseudoscorpiones: Neobisiidae) 30–32, figs 7a–e, Neobisium muscorum muscorum (Leach)
Roncus parablothroides Hadži, 1938 (Pseudoscorpiones: Neobisiidae) 32–34, figs 8a–g, Roncus (Parablothrus) parablothroides
Roncus (Parablothrus) bureschi Hadži, 1939 (Pseudoscorpiones: Neobisiidae) 34–37, figs 9a–m (junior secondary homonym of Balkanoroncus bureschi (Redikorzev)), Roncus (Parablothrus) bureschi
Acanthocreagris balcanica (Hadži, 1939) (Pseudoscorpiones: Neobisiidae) 37–39, figs 10a–h, 11a–d, Microcreagris balcanica
Allochernes bulgaricus Hadži, 1939 (Pseudoscorpiones: Chernetidae) 39–43, figs 12a–l, Allochernes (Allochernes) bulgaricus
Allochernes (Toxochernes) karamani Hadži, 1938 (Pseudoscorpiones: Chernetidae) 43–44, figs 13a–b (synonymised by Beier, 1963b: 273), Allochernes (Toxochernes) karamani
Withius hispanus (L. Koch, 1873) (Pseudoscorpiones: Withiidae) 44–47, figs 14a–f, 15a–e, Withius hispanus (L. Koch)
Chelifer cancroides (Linnaeus, 1758) (Pseudoscorpiones: Cheliferidae) 47, Chelifer cancroides (Linnaeus)