Taxa included

Muchmore, W.B. (2000a). The Pseudoscorpionida of Hawaii Part I. Introduction and Chthonioidea. Proceedings of the Entomological Society of Hawaii 34: 147–162.

Taxon
Ephippiochthonius tetrachelatus (Preyssler, 1790) (Pseudoscorpiones: Chthoniidae) 148–150, figs 1a–d, Chthonius (Ephippiochthonius) tetrachelatus (Preyssler)
Tyrannochthonius Chamberlin, 1929 (Pseudoscorpiones: Chthoniidae) 150, Tyrannochthonius
Tyrannochthonius pupukeanus Muchmore, 1983 (Pseudoscorpiones: Chthoniidae) 150, Tyrannochthonius pupukeanus
Tyrannochthonius stonei Muchmore, 1989 (Pseudoscorpiones: Chthoniidae) 150–151, Tyrannochthonius stonei
Tyrannochthonius oahuanus Muchmore, 2000 (Pseudoscorpiones: Chthoniidae) 151–152, figs 2a–d, Tyrannochthonius oahuanus
Tyrannochthonius swiftae Muchmore, 1993 (Pseudoscorpiones: Chthoniidae) 151, Tyrannochthonius swiftae
Vulcanochthonius Muchmore, 2000 (Pseudoscorpiones: Chthoniidae) 153–154, Vulcanochthonius
Vulcanochthonius aa Muchmore, 2000 (Pseudoscorpiones: Chthoniidae) 154–155, figs 3a–d, Vulcanochthonius aa
Vulcanochthonius howarthi (Muchmore, 1979) (Pseudoscorpiones: Chthoniidae) 154, Vulcanochthonius howarthi (Muchmore)
Vulcanochthonius pohakuloae Muchmore, 2000 (Pseudoscorpiones: Chthoniidae) 156, figs 4a–c, Vulcanochthonius pohakuloae
Lechytia sakagamii Morikawa, 1952 (Pseudoscorpiones: Chthoniidae) 156–159, figs 5a–c, Lechytia sakagamii