Taxa included

Zaragoza, J.A. & Reboleira, A.S.P.S. (2018). Five new hypogean Occidenchthonius (Pseudoscorpiones: Chthoniidae) from Portugal. Journal of Arachnology 46: 81–103.

Taxon
Occidenchthonius alandroalensis Zaragoza & Reboleira, 2018 (Pseudoscorpiones: Chthoniidae) 88–90, figs 12–18, Occidenchthonius alandroalensis Zaragoza & Reboleira
Occidenchthonius algharbicus Zaragoza & Reboleira, 2018 (Pseudoscorpiones: Chthoniidae) 90–93, figs 1–2, 19–24, Occidenchthonius algharbicus Zaragoza & Reboleira
Occidenchthonius duecensis Zaragoza & Reboleira, 2018 (Pseudoscorpiones: Chthoniidae) 93–95, figs 25–30, Occidenchthonius duecensis Zaragoza & Reboleira
Occidenchthonius goncalvesi Zaragoza & Reboleira, 2018 (Pseudoscorpiones: Chthoniidae) 95–98, figs 10–11, 31–37, Occidenchthonius goncalvesi Zaragoza & Reboleira
Occidenchthonius vachoni Zaragoza & Reboleira, 2018 (Pseudoscorpiones: Chthoniidae) 98–101, figs 38–45, Occidenchthonius vachoni Zaragoza & Reboleira