Taxa included

Hammen, L. van der (1986a). Comparative studies in Chelicerata IV. Apatellata, Arachnida, Scorpionida, Xiphosura. Zoologische Verhandelingen 226: 1–52.

Taxon
Heterophrynus alces Pocock, 1902 (Amblypygi: Phrynidae) 4, figs. 2c–d, 4c, 7e-f, 11b–c, 19a–e, Heterophrynus alces Pocock
Chthonius tenuis L. Koch, 1873 (Pseudoscorpiones: Chthoniidae) 4, figs 1b, 4b–c, 9a–c, 16a–b, Chthonius (Chthonius) tenuis L. Koch
Pseudocleobis andinus (Pocock, 1899) (Solifugae: Ammotrechidae) 4, figs 2a, 4a, 8a–e, 15a–b, Pseudocleobis andinus (Pocock)
Thelyphonus seticauda Doleschall, 1857 (Uropygi: Thelyphonidae) 4, figs 2b, 4b, 7a–b, 11a, 18a–e, Tetrabalius seticauda (Doleschall)