MilliBase

Glomeris connexa C. L. Koch, 1847 (additional source)
Iulus britannicus Verhoeff, 1891 accepted as Cylindroiulus britannicus (Verhoeff, 1891) (additional source)
Julus complanatus Linnaeus, 1761 accepted as Polydesmus complanatus (Linnaeus, 1761) (additional source)
Julus frisioides Verhoeff, 1892 (source of synonymy)
Julus molleri Verhoeff, 1892 accepted as Cylindroiulus propinquus (Porat, 1870) (additional source)
Julus occultus Verhoeff, 1893 accepted as Cylindroiulus perforatus Verhoeff, 1905 (original description)
Julus oliveirae Verhoeff, 1893 accepted as Ommatoiulus oliveirae (Verhoeff, 1893) (original description)
Lysiopetalum alternans Verhoeff, 1893 accepted as Lusitanipus alternans (Verhoeff, 1893) (original description)
Polydesmus lusitanus Verhoeff, 1892 accepted as Polydesmus coriaceus Porat, 1870 (additional source)
Polydesmus pectiniger Verhoeff, 1893 accepted as Propolydesmus pectiniger (Verhoeff, 1893) (original description)

Portugal for Atractosoma Fanzago, 1876 
Portugal for Glomeris connexa C. L. Koch, 1847  (doubtful)
Portugal for Julus britannicus Verhoeff, 1891 
Portugal for Julus molleri Verhoeff, 1892 
Portugal for Julus occultus C. L. Koch, 1847 
Portugal for Julus occultus Verhoeff, 1893 
Portugal for Julus oliveirae Verhoeff, 1893 
Portugal for Julus porathi Verhoeff, 1893 
Portugal for Lysiopetalum alternans Verhoeff, 1893 
Portugal for Polydesmus complanatus (Linnaeus, 1761)  (origin: alien)
Portugal for Polydesmus lusitanus Verhoeff, 1892 
Portugal for Polydesmus pectiniger Verhoeff, 1893