Taxa included

Mello-Leitão, C. (1939b). Les Arachnides et la zoogéographie de l'Argentine. Physis, Buenos Aires 17: 601–630.

Taxon
Damon australis Simon, 1886 (Amblypygi: Phrynichidae) 605, Damon australis Simon
Pseudocleobis andinus (Pocock, 1899) (Solifugae: Ammotrechidae) 614, Pseudocleobis andinus (Pocock)
Pseudocleobis morsicans (Gervais, 1849) (Solifugae: Ammotrechidae) 614, Pseudocleobis morsicans (Gervais)
Mummucia mendoza Roewer, 1934 (Solifugae: Mummuciidae) 614, Mummucia mendoza
Oltacola chacoensis Roewer, 1934 (Solifugae: Ammotrechidae) 614, Oltacola chacoensis
Oltacola gomezi Roewer, 1934 (Solifugae: Ammotrechidae) 614, Oltacola gomezi
Procleobis patagonicus (Holmberg, 1876) (Solifugae: Ammotrechidae) 614, Pseudocleobis patagonica (Holmberg)
Mummucia patagonica Roewer, 1934 (Solifugae: Mummuciidae) 614, Mummucia patagonica
Procleobis burmeisteri Kraepelin, 1899 (Solifugae: Ammotrechidae) 614, Procleobis burmeisteri
Paratemnoides nidificator (Balzan, 1888) (Pseudoscorpiones: Atemnidae) 615, Paratemnus nidificator (Balzan)
Lechytia chthoniiformis (Balzan, 1887) (Pseudoscorpiones: Chthoniidae) 615, Lechytia chthoniiformis (Balzan)
Serianus patagonicus (Ellingsen, 1904) (Pseudoscorpiones: Garypinidae) 615, Neominniza patagonicus (Ellingsen)
Neocheiridium corticum (Balzan, 1887) (Pseudoscorpiones: Cheiridiidae) 615, Neocheiridium corticum (Balzan)
Lustrochernes subovatus (With, 1908) (Pseudoscorpiones: Chernetidae) 616, Lustrochernes subovatus (With)
Neochelanops michaelseni (Simon, 1902) (Pseudoscorpiones: Chernetidae) 616, Parachernes (Parachernes) michaelseni (Simon)
Parachernes (Parachernes) crassimanus (Balzan, 1887) (Pseudoscorpiones: Chernetidae) 616, Parachernes (Argentochernes) crassimanus (Balzan)
Lustrochernes intermedius (Balzan, 1892) (Pseudoscorpiones: Chernetidae) 616, Lustrochernes intermedius (Balzan)
Lustrochernes argentinus (Thorell, 1877) (Pseudoscorpiones: Chernetidae) 616, Lustrochernes argentinus (Thorell)
Gomphochernes communis (Balzan, 1888) (Pseudoscorpiones: Chernetidae) 616, Lustrochernes communis (Balzan)
Chelifer depressimanus With, 1908 (Pseudoscorpiones: Cheliferidae) 616, Gomphochernes depressimanus (With)
Chelifer nodulimanus Tömösváry, 1883 (Pseudoscorpiones: Cheliferidae) 616, Cordylochernes nodulimanus (Tömösváry)
Chelifer macrochelatus Tömösváry, 1884 (Pseudoscorpiones: Cheliferidae) 616, Cordylochernes macrochelatus (Tömösváry)
Neochelanops patagonicus (Tullgren, 1900) (Pseudoscorpiones: Chernetidae) 617, Parazaona patagonicus (Tullgren)
Gigantochernes rudis (Balzan, 1887) (Pseudoscorpiones: Chernetidae) 617, Gigantochernes rudis (Balzan)
Parazaona morenensis (Tullgren, 1908) (Pseudoscorpiones: Chernetidae) 617, Parazaona morenensis (Tullgren)
Parazaona nordenskjoldi (Tullgren, 1908) (Pseudoscorpiones: Chernetidae) 617, (as Parazaona nordenskjöldi), Parazaona nordenskjoldi (Tullgren)
Pseudopilanus echinatus (Ellingsen, 1904) (Pseudoscorpiones: Chernetidae) 617, Rhopalochernes echinatus (Ellingsen)
Pseudopilanus foliosus (Balzan, 1887) (Pseudoscorpiones: Chernetidae) 617, Rhopalochernes foliosus (Balzan)
Sphenochernes bruchi (Mello-Leitão, 1925) (Pseudoscorpiones: Chernetidae) 617, Rhopalochernes bruchi (Mello-Leitão)
Cacodemonius segmentidentatus (Balzan, 1887) (Pseudoscorpiones: Withiidae) 617, Cacodemonius segmentidentatus (Balzan)
Victorwithius proximus (Ellingsen, 1905) (Pseudoscorpiones: Withiidae) 617, Parawithius proximus (Ellingsen)
Victorwithius rufus (Balzan, 1887) (Pseudoscorpiones: Withiidae) 617, Parawithius rufus (Balzan)
Dolichowithius canestrinii (Balzan, 1887) (Pseudoscorpiones: Withiidae) 618, Dolichowithius canestrinii (Balzan)