Taxa included

Selden, P.A. (1993b). Arthropoda (Aglaspidida, Pycnogonida and Chelicerata). In: Benton, M.J. (ed.) The fossil record 2 Chapman and Hall, London: 297–320.

Taxon
Dracochela deprehendor Schawaller, Shear and Bonamo, 1991 (Pseudoscorpiones: Dracochelidae) 303, Dracochela deprehendor
Chthonius mengei Beier, 1937 (Pseudoscorpiones: Chthoniidae) 303, Chthonius mengei
Geogarypus major Beier, 1937 (Pseudoscorpiones: Geogarypidae) 304, Geogarypus major
Neobisium (Neobisium) exstinctum Beier, 1955 (Pseudoscorpiones: Neobisiidae) 304, Neobisium exstinctum
Garypinus electri Beier, 1937 (Pseudoscorpiones: Garypinidae) 304, Garypinus electri
Geogarypus macrodactylus Beier, 1937 (Pseudoscorpiones: Geogarypidae) 304, Geogarypus macrodactylus
Obisium rathkii C.L. Koch and Berendt, 1854 (Pseudoscorpiones: Cheliferidae) 304, Neobisium rathkii (C.L. Koch and Berendt)
Roncus succineus Beier, 1955 (Pseudoscorpiones: Neobisiidae) 304, Roncus succineus
Pseudogarypus minor Beier, 1947 (Pseudoscorpiones: Pseudogarypidae) 304, Pseudogarypus minor
Pseudogarypus hemprichii (C.L. Koch and Berendt, 1854) (Pseudoscorpiones: Pseudogarypidae) 304, Pseudogarypus hemprichii (C.L. Koch and Berendt)
Pseudogarypus extensus Beier, 1937 (Pseudoscorpiones: Pseudogarypidae) 304, Pseudogarypus extensus
Cheiridium hartmanni (Menge, 1854) (Pseudoscorpiones: Cheiridiidae) 305, Cheiridium hartmanni (Menge)
Trachychelifer liaoningense Hong, 1983 (Pseudoscorpiones: Cheliferidae) 305, Trachychelifer liaoningense
Progonatemnus succineus Beier, 1955 (Pseudoscorpiones: Atemnidae) 305, Progonatemnus succineus