Taxa included

Snodgrass, R.E. (1948). The feeding organs of Arachnida, including mites and ticks. Smithsonian Miscellaneous Collections 110(10): 1–93.

Taxon
Damon johnstonii (Pocock, 1894) (Amblypygi: Phrynichidae) n/a, fig. 8a (as Titanodamon johnstoni), Titanodamon johnstonii Pocock
Euphrynichus bacillifer (Gerstaecker, 1873) (Amblypygi: Phrynichidae) n/a, fig. 8b, Phrynichus bacillifer (Gerstaecker)
Eukoenenia mirabilis (Grassi and Calandruccio, 1885) (Palpigradi: Eukoeneniidae) n/a, figs 6a, b, d, Koenenia mirabilis
Apochthonius intermedius Chamberlin, 1929 (Pseudoscorpiones: Chthoniidae) n/a, fig. 12a, Apochthonius intermedius Chamberlin
Dasychernes inquilinus Chamberlin, 1929 (Pseudoscorpiones: Chernetidae) n/a, fig. 5g, Dasychernes inquilinus
Garypus sini Chamberlin, 1923 (Pseudoscorpiones: Garypidae) n/a, fig. 12c–e, Garypus sini
Ricinoides sjostedtii (Hansen and Sørensen, 1904) (Ricinulei: Ricinoididae) n/a, fig. 10e (as Ricinoides sjöstedtii), Ricinoides sjostedtii (Hansen and Sørensen)
Ricinoides westermannii (Guérin-Méneville, 1838) (Ricinulei: Ricinoididae) n/a, fig. 10b (as Ricinoides westermanni), Ricinoides westermannii (Guérin-Méneville)
Ricinoides crassipalpe (Hansen and Sørensen, 1904) (Ricinulei: Ricinoididae) n/a, figs 10a, c, Ricinoides crassipalpe (Hansen and Sørensen)
Ricinoides karschii (Hansen and Sørensen, 1904) (Ricinulei: Ricinoididae) n/a, fig. 10d, Ricinoides karschii (Hansen and Sørensen)
Mastigoproctus giganteus (Lucas, 1835) (Uropygi: Thelyphonidae) n/a, figs 5b, 9a–h, Mastigoproctus giganteus (Lucas)
Prokoenenia wheeleri (Rucker, 1901) (Palpigradi: Prokoeneniidae) n/a, fig. 6c, Prokoenenia wheeleri (Rucker)