Taxa included

Petrunkevitch, A. (1949). A study of Palaeozoic Arachnida. Transactions of the Connecticut Academy of Arts and Sciences 37: 69–315.

Taxon
Labochirus proboscideus (Butler, 1872) (Uropygi: Thelyphonidae) n/a, fig. 14, Labochirus proboscideus (Butler)
Mastigoproctus giganteus (Lucas, 1835) (Uropygi: Thelyphonidae) n/a, figs 1–2, 31–33, 43–46, 49–52, Mastigoproctus giganteus (Lucas)
Uropygi Thorell, 1883 262–263, Thelyphonida
Geralinura Scudder, 1884 (Uropygi: Incertae sedis) 263, Geralinura
Geralinura similis Petrunkevitch, 1913 (Uropygi: Incertae sedis) 263, Geralinura similis
Geralinura carbonaria Scudder, 1884 (Uropygi: Incertae sedis) 263, Geralinura carbonaria
Geralinura gigantea Petrunkevitch, 1913 (Uropygi: Incertae sedis) 263–264, Geralinura gigantea
Prothelyphonus bohemicus (Kušta, 1884) (Uropygi: Incertae sedis) 264, Geralinura bohemica (Kušta)
Geralinura britannica Pocock, 1911 (Uropygi: Incertae sedis) 264–266, figs 157, 265 (misidentification, in part; see Proschizomus petrunkevitchi Dunlop and Horrocks), Geralinura britannica
Proschizomus petrunkevitchi Dunlop and Horrocks, 1996 (Uropygi: Incertae sedis) 264–266, figs 157, 265 (misidentification, in part), Geralinura britannica