Taxa included

Alzona, C. (1903a). Nota sulla fauna delle caverne italiane. Rivista Italiana di Speleologia 1(3): 10–17.

Taxon
Chthonius microphthalmus Simon, 1879 (Pseudoscorpiones: Chthoniidae) 14, Alzona, 1903 (reference missing), Chthonius microphthalmus
Roncus antrorum (Simon, 1896) (Pseudoscorpiones: Neobisiidae) 14, Alzona, 1903 (reference missing), Blothrus antrorum (Simon)
Roncus italicus (Simon, 1896) (Pseudoscorpiones: Neobisiidae) 14, Alzona, 1903 (reference missing), Roncus italicus (Simon)
Roncus lubricus L. Koch, 1873 (Pseudoscorpiones: Neobisiidae) 14, Roncus lubricus