MilliBase

Iulus immaculatus Wood, 1864 accepted as Parajulus immaculatus (Wood, 1864) accepted as Uroblaniulus canadensis (Newport, 1844) (additional source)
Iulus venustus Wood, 1864 accepted as Oriulus venustus (Wood, 1864) (additional source)
Julus impressus Say, 1821 accepted as Parajulus impressus (Say, 1821) accepted as Ptyoiulus impressus (Say, 1821) (additional source)
Julus pennsylvanicus Brandt, 1840 accepted as Parajulus pennsylvanicus (Brandt, 1840) accepted as Parajulus impressus (Say, 1821) accepted as Ptyoiulus impressus (Say, 1821) (additional source)
Paeromopus chamberlini Brölemann, 1922 accepted as Californiulus chamberlini (Brölemann, 1922) (original description)
Paeromopus lysiopetalinus Karsch, 1881 accepted as Paeromopus angusticeps angusticeps (Wood, 1864) (additional source)
Paraiulus tiganus Chamberlin, 1910 accepted as Bollmaniulus tiganus (Chamberlin, 1910) (additional source)
Parajulidae Bollman, 1893 (additional source)

California for Paeromopus chamberlini Brölemann, 1922