Taxa included

Hoff, C.C. (1949b). The pseudoscorpions of Illinois. Bulletin of the Illinois Natural History Survey 24: 407–498.

Taxon
Hesperochernes mirabilis (Banks, 1895) (Pseudoscorpiones: Chernetidae) n/a, figs 38a–c, Pseudozaona mirabilis (Banks)
Tartarocreagris ozarkensis (Hoff, 1945) (Pseudoscorpiones: Neobisiidae) n/a, figs 22–23, Microcreagris ozarkensis
Hesperochernes canadensis Hoff, 1945 (Pseudoscorpiones: Chernetidae) n/a, fig. 41, Hesperochernes canadensis
Chernes sanborni Hagen, 1868 (Pseudoscorpiones: Chernetidae) n/a, figs 42–43, Hesperochernes sanborni (Hagen)
Pseudoscorpiones de Geer, 1778 413–427, (as Pseudoscorpionida), Pseudoscorpiones de Geer
Chthoniidae Daday, 1889 (Pseudoscorpiones) 429, Tridenchthoniidae Balzan
Verrucaditha spinosa (Banks, 1893) (Pseudoscorpiones: Chthoniidae) 429–431, figs 12a–e, Verrucaditha spinosa (Banks)
Pseudoscorpiones de Geer, 1778 429, Heterosphyronida
Chthoniidae Daday, 1889 (Pseudoscorpiones) 431, Chthoniidae Daday
Chthonius C.L. Koch, 1843 (Pseudoscorpiones: Chthoniidae) 432, Chthonius
Chthonius ischnocheles (Hermann, 1804) (Pseudoscorpiones: Chthoniidae) 433, fig. 13, Chthonius (Chthonius) ischnocheles (Hermann)
Ephippiochthonius tetrachelatus (Preyssler, 1790) (Pseudoscorpiones: Chthoniidae) 433–434, figs 14a–f, Chthonius (Ephippiochthonius) tetrachelatus (Preyssler)
Kleptochthonius (Kleptochthonius) multispinosus (Hoff, 1945) (Pseudoscorpiones: Chthoniidae) 434–436, figs 16a–b, Heterochthonius multispinosus
Apochthonius Chamberlin, 1929 (Pseudoscorpiones: Chthoniidae) 434, Apochthonius
Apochthonius moestus (Banks, 1891) (Pseudoscorpiones: Chthoniidae) 434, figs 11, 15a–d (misidentification; true identification unknown), Apochthonius moestus (Banks)
Kleptochthonius (Kleptochthonius) crosbyi (Chamberlin, 1929) (Pseudoscorpiones: Chthoniidae) 436, Heterochthonius crosbyi (Chamberlin)
Mundochthonius Chamberlin, 1929 (Pseudoscorpiones: Chthoniidae) 436, Mundochthonius
Mundochthonius rossi Hoff, 1949 (Pseudoscorpiones: Chthoniidae) 437–440, figs 17a–e, Mundochthonius rossi
Mundochthonius sandersoni Hoff, 1949 (Pseudoscorpiones: Chthoniidae) 440–443, figs 18a–g, Mundochthonius sandersoni
Kleptochthonius (Chamberlinochthonius) packardi (Hagen, 1879) (Pseudoscorpiones: Chthoniidae) 443, Genus? packardi Hagen
Pseudoscorpiones de Geer, 1778 443, Diplosphyronida
Microbisium Chamberlin, 1930 (Pseudoscorpiones: Neobisiidae) 444–445, Microbisium
Microcreagris Balzan, 1892 (Pseudoscorpiones: Neobisiidae) 444, Microcreagris
Neobisium Chamberlin, 1930 (Pseudoscorpiones: Neobisiidae) 444, Neobisium
Neobisiidae Chamberlin, 1930 (Pseudoscorpiones) 444, Neobisiidae
Novobisium tenue (Chamberlin, 1930) (Pseudoscorpiones: Neobisiidae) 444, figs 20–21 (as Neobisium carolinensis tenuis [sic]), Neobisium carolinensis tenue
Microbisium brunneum (Hagen, 1868) (Pseudoscorpiones: Neobisiidae) 445, figs 24a–b, Microbisium brunneum (Hagen)
Microbisium confusum Hoff, 1946 (Pseudoscorpiones: Neobisiidae) 446, figs 25a–c, Microbisium confusum
Garypidae Simon, 1879 (Pseudoscorpiones) 447, Garypidae Simon
Larca Chamberlin, 1930 (Pseudoscorpiones: Larcidae) 447, Larca
Larca granulata (Banks, 1891) (Pseudoscorpiones: Larcidae) 447–448, figs 26, 27a–d, Larca granulata (Banks)
Pseudoscorpiones de Geer, 1778 449, Monosphyronida
Chernetidae Menge, 1855 (Pseudoscorpiones) 449, Chernetidae
Lamprochernes Tömösváry, 1883 (Pseudoscorpiones: Chernetidae) 450, Lamprochernes Tömösváry
Americhernes oblongus (Say, 1821) (Pseudoscorpiones: Chernetidae) 450–453, figs 8, 30a–b, Lamprochernes oblongus (Say)
Lamprochernes minor Hoff, 1949 (Pseudoscorpiones: Chernetidae) 453–454, figs 29a–b, Lamprochernes minor
Parachernes Chamberlin, 1931 (Pseudoscorpiones: Chernetidae) 456, Parachernes
Parachernes squarrosus Hoff, 1949 (Pseudoscorpiones: Chernetidae) 456–460, figs 32a–e, Parachernes squarrosus
Chelanops Gervais, 1849 (Pseudoscorpiones: Chernetidae) 460–461, Chelanops Gervais
Pselaphochernes Beier, 1932 (Pseudoscorpiones: Chernetidae) 461, Pselaphochernes
Pselaphochernes parvus Hoff, 1945 (Pseudoscorpiones: Chernetidae) 461–464, figs 34a–d, Pselaphochernes parvus
Dendrochernes Beier, 1932 (Pseudoscorpiones: Chernetidae) 464–465, Dendrochernes
Reginachernes Hoff, 1949 (Pseudoscorpiones: Chernetidae) 465, Reginachernes
Chernes ewingi (Hoff, 1949) (Pseudoscorpiones: Chernetidae) 466–467, figs 36a–d, Reginachernes ewingi
Chernes lymphatus (Hoff, 1949) (Pseudoscorpiones: Chernetidae) 467–471, figs 37a–d, Reginachernes lymphatus
Pseudozaona Beier, 1932 (Pseudoscorpiones: Chernetidae) 471, Pseudozaona
Dinocheirus Chamberlin, 1929 (Pseudoscorpiones: Chernetidae) 471–472, Dinocheirus
Dinocheirus pallidus (Banks, 1890) (Pseudoscorpiones: Chernetidae) 472–474, figs 39a–c, Dinocheirus pallidus (Banks)
Dinocheirus solus Hoff, 1949 (Pseudoscorpiones: Chernetidae) 474–476, figs 40a–b, Dinocheirus solus
Acuminochernes Hoff, 1949 (Pseudoscorpiones: Chernetidae) 476–477, Acuminochernes
Hesperochernes Chamberlin, 1924 (Pseudoscorpiones: Chernetidae) 476, Hesperochernes
Acuminochernes crassopalpus (Hoff, 1945) (Pseudoscorpiones: Chernetidae) 477–478, figs 44a–d, Acuminochernes crassopalpus (Hoff)
Mirochernes Beier, 1930 (Pseudoscorpiones: Chernetidae) 478, Mirochernes
Mirochernes dentatus (Banks, 1895) (Pseudoscorpiones: Chernetidae) 478–481, figs 45a–d, Mirochernes dentatus (Banks)
Illinichernes Hoff, 1949 (Pseudoscorpiones: Chernetidae) 481, Illinichernes
Illinichernes distinctus Hoff, 1949 (Pseudoscorpiones: Chernetidae) 481–484, figs 46a–e, Illinichernes distinctus
Chelanops corticis Ewing, 1911 (Pseudoscorpiones: Chernetidae) 484, Genus? corticis Ewing
Cheliferidae Risso, 1827 (Pseudoscorpiones) 485, Cheliferidae
Chelifer cancroides (Linnaeus, 1758) (Pseudoscorpiones: Cheliferidae) 486–487, figs 9, 48, Chelifer cancroides (Linnaeus)
Idiochelifer nigripalpus (Ewing, 1911) (Pseudoscorpiones: Cheliferidae) 487–489, figs 49a–c, Idiochelifer nigripalpus (Ewing)
Idiochelifer Chamberlin, 1932 (Pseudoscorpiones: Cheliferidae) 487, Idiochelifer
Paisochelifer Hoff, 1946 (Pseudoscorpiones: Cheliferidae) 489, Paisochelifer
Paisochelifer callus (Hoff, 1945) (Pseudoscorpiones: Cheliferidae) 489–491, figs 50a–e, Paisochelifer callus (Hoff)
Dactylochelifer Beier, 1932 (Pseudoscorpiones: Cheliferidae) 491, Dactylochelifer
Dactylochelifer copiosus Hoff, 1945 (Pseudoscorpiones: Cheliferidae) 491–492, figs 10, 51a–c, Dactylochelifer copiosus