Taxa included

Muchmore, W.B. (1991a). Pseudoscorpions from Florida and the Caribbean area. 14. New species of Tyrannochthonius and Lagynochthonius from caves in Jamacia [sic], with discussion of the genera (Chthoniidae). Florida Entomologist 74: 110–121.

Taxon
Tyrannochthonius Chamberlin, 1929 (Pseudoscorpiones: Chthoniidae) 111, Tyrannochthonius
Tyrannochthonius hoffi Muchmore, 1991 (Pseudoscorpiones: Chthoniidae) 111–113, figs 1–3, Tyrannochthonius hoffi
Lagynochthonius Beier, 1951 (Pseudoscorpiones: Chthoniidae) 113, Lagynochthonius Beier
Lagynochthonius typhlus Muchmore, 1991 (Pseudoscorpiones: Chthoniidae) 114–115, figs 4–9, Lagynochthonius typhlus
Lagynochthonius cavicola Muchmore, 1991 (Pseudoscorpiones: Chthoniidae) 115–117, figs 10–12 (as Lagynochthonius cavicolus [sic]), Lagynochthonius cavicola
Lagynochthonius ferox (Mahnert, 1978) (Pseudoscorpiones: Chthoniidae) 118, Lagynochthonius ferox (Mahnert)
Lagynochthonius flavus (Mahnert, 1986) (Pseudoscorpiones: Chthoniidae) 118, Lagynochthonius flavus (Mahnert)
Lagynochthonius kenyensis (Mahnert, 1986) (Pseudoscorpiones: Chthoniidae) 118, Lagynochthonius kenyensis (Mahnert)
Lagynochthonius callidus (Hoff, 1959) (Pseudoscorpiones: Chthoniidae) 119, Lagynochthonius callidus (Hoff)
Lagynochthonius gigas (Beier, 1954) (Pseudoscorpiones: Chthoniidae) 119, Lagynochthonius gigas (Beier)
Lagynochthonius innoxius (Hoff, 1959) (Pseudoscorpiones: Chthoniidae) 119, Lagynochthonius innoxius (Hoff)
Lagynochthonius irmleri (Mahnert, 1979) (Pseudoscorpiones: Chthoniidae) 119–120, Lagynochthonius irmleri (Mahnert)
Lagynochthonius minor (Mahnert, 1979) (Pseudoscorpiones: Chthoniidae) 119, Lagynochthonius minor (Mahnert)
Lagynochthonius proximus (Hoff, 1959) (Pseudoscorpiones: Chthoniidae) 119, Lagynochthonius proximus (Hoff)
Lagynochthonius pugnax (Mahnert, 1978) (Pseudoscorpiones: Chthoniidae) 119, Lagynochthonius pugnax (Mahnert)
Lagynochthonius zicsii (Mahnert, 1978) (Pseudoscorpiones: Chthoniidae) 119, Lagynochthonius zicsii (Mahnert)