Taxa included

Tooren, D. van den (2011a). New records of olpiid pseudoscorpions (Pseudoscorpiones: Olpiidae) from the Caribbean area and Surinam, with descriptions of four new species of the genera Pachyolpium Beier, Tricholpium gen. nov. and Heterohorus gen. nov.. Zoologische Mededelingen 85: 169–194.

Taxon
Pachyolpium leptotarsum Tooren, 2011 (Pseudoscorpiones: Hesperolpiidae) 170–173, figs 1a–f (as Pachyolpium leptotarsus), Pachyolpium leptotarsum
Pachyolpium Beier, 1931 (Pseudoscorpiones: Hesperolpiidae) 170, Pachyolpium
Pachyolpium dispersum Tooren, 2011 (Pseudoscorpiones: Hesperolpiidae) 173–181, figs 2a–f, 3a–d, 4a, 4b, Pachyolpium dispersum
Tricholpium Tooren, 2011 (Pseudoscorpiones: Olpiidae) 181, Tricholpium
Tricholpium lasavensis Tooren, 2011 (Pseudoscorpiones: Olpiidae) 181–185, figs 5a–b, 6a–e, Tricholpium lasavensis
Heterohorus losfrailensis Tooren, 2011 (Pseudoscorpiones: Olpiidae) 185–190, figs 7a–f, 8a–f, Heterohorus losfrailensis
Heterohorus Tooren, 2011 (Pseudoscorpiones: Olpiidae) 185, Heterohorus
Pachyolpium arubense arubense Beier, 1936 (Pseudoscorpiones: Hesperolpiidae) 193, Pachyolpium arubense arubense Beier
Pachyolpium arubense variabile Tooren, 2002 (Pseudoscorpiones: Hesperolpiidae) 193, Pachyolpium arubense variabile
Pachyolpium confusum Tooren, 2002 (Pseudoscorpiones: Hesperolpiidae) 193, Pachyolpium confusum
Pachyolpium arubense Beier, 1936 (Pseudoscorpiones: Hesperolpiidae) 193, Pachyolpium arubense
Aphelolpium brachytarsus Tooren, 1995 (Pseudoscorpiones: Hesperolpiidae) 193, Aphelolpium brachytarsus
Aphelolpium scitulum Hoff, 1964 (Pseudoscorpiones: Hesperolpiidae) 193, Aphelolpium scitulum
Aphelolpium thibaudi Heurtault and Rebière, 1983 (Pseudoscorpiones: Hesperolpiidae) 193, Aphelolpium thibaudi