Taxa included

Tooren, D. van den (2002a). Pseudoscorpions (Pseudoscorpiones: Olpiidae) of the genus Apolpium from Venezuela, and the genera Pachyolpium, Leptolpium gen. nov. and Serianus from Curaçao, Aruba and Bonaire. Zoologische Mededelingen 76: 141–192.

Taxon
Apolpium Chamberlin, 1930 (Pseudoscorpiones: Hesperolpiidae) 142, Apolpium
Apolpium rufeolum (Balzan, 1892) (Pseudoscorpiones: Hesperolpiidae) 142–146, figs 1a–b, 2a–b, 3a–b, Apolpium rufeolum (Balzan)
Pachyolpium Beier, 1931 (Pseudoscorpiones: Hesperolpiidae) 146–147, Pachyolpium
Pachyolpium arubense Beier, 1936 (Pseudoscorpiones: Hesperolpiidae) 147, Pachyolpium arubense
Pachyolpium arubense arubense Beier, 1936 (Pseudoscorpiones: Hesperolpiidae) 148–163, figs 4–9, 17–26, Pachyolpium arubense arubense Beier
Pachyolpium arubense variabile Tooren, 2002 (Pseudoscorpiones: Hesperolpiidae) 163–179, figs 10–16, 17–26 (as Pachyolpium arubense variabilis [sic]), Pachyolpium arubense variabile
Leptolpium Tooren, 2002 (Pseudoscorpiones: Olpiidae) 179–180, Leptolpium
Leptolpium prospaeum Tooren, 2002 (Pseudoscorpiones: Olpiidae) 179–180, figs 27a–d, 28a–e, Leptolpium prospaeum
Serianus Chamberlin, 1930 (Pseudoscorpiones: Garypinidae) 185, Serianus
Serianus gratus Hoff, 1964 (Pseudoscorpiones: Garypinidae) 185–190, figs 29–34, Serianus gratus