Taxa included

Ax, P. (2001). Multicellular animals: the phylogenetic system of the Metazoa. Springer-Verlag, Berlin, Heidelberg, New York II.

Taxon
Charinus milloti Fage, 1939 (Amblypygi: Charinidae) n/a, figs. 48a–d, Charinus milloti Fage
Eukoenenia mirabilis (Grassi and Calandruccio, 1885) (Palpigradi: Eukoeneniidae) n/a, figs 54a–c, Eukoenenia mirabilis (Grassi and Calandruccio)
Chernes cimicoides (Fabricius, 1793) (Pseudoscorpiones: Chernetidae) n/a, fig. 55g, Chernes cimicoides (Fabricius)
Microcreagris sequoiae Chamberlin, 1930 (Pseudoscorpiones: Neobisiidae) n/a, fig. 55f, Microcreagris sequoiae
Chelifer macrochelatus Tömösváry, 1884 (Pseudoscorpiones: Cheliferidae) n/a, fig. 55c, Cordylochernes macrochelatus (Tömösváry)
Neobisium (Neobisium) simoni (L. Koch, 1873) (Pseudoscorpiones: Neobisiidae) n/a, fig. 55e, Neobisium simoni (L. Koch)
Pselaphochernes scorpioides (Hermann, 1804) (Pseudoscorpiones: Chernetidae) n/a, figs 55h-j, Pselaphochernes scorpioides (Hermann)
Serianus carolinensis Muchmore, 1968 (Pseudoscorpiones: Garypinidae) n/a, fig. 55k, Serianus carolinensis
Hesperolpium slevini (Chamberlin, 1923) (Pseudoscorpiones: Hesperolpiidae) n/a, figs 55b, d (as Hesperolpium sleveni [sic]), Hesperolpium slevini (Chamberlin)
Cryptocellus isthmius Cooke and Shadab, 1973 (Ricinulei: Ricinoididae) n/a, fig. 58a (as Cryptocellus isthmus [sic]), Cryptocellus isthmius
Pseudocellus paradoxus (Cooke, 1972) (Ricinulei: Ricinoididae) n/a, fig. 58d, Pseudocellus paradoxus (Cooke)
Ricinoides hanseni Legg, 1976 (Ricinulei: Ricinoididae) n/a, figs 58c, e, Ricinoides hanseni
Bamazomus siamensis (Hansen, 1905) (Schizomida: Hubbardiidae) n/a, fig. 47a, Schizomus siamensis (Hansen)
Galeodes arabs C.L. Koch, 1842 (Solifugae: Galeodidae) n/a, fig. 56a, Galeodes arabs
Hexisopus abnormis (Roewer, 1932) (Solifugae: Hexisopodidae) n/a, fig. 56b, Mossamedessa abnormis
Mastigoproctus giganteus (Lucas, 1835) (Uropygi: Thelyphonidae) n/a, figs 47b–g, Mastigoproctus giganteus (Lucas)
Obisium muscorum Leach, 1817 (Pseudoscorpiones: Cheliferidae) n/a, figs 55a, l, Neobisium muscorum (Leach)