Afropachyiulus maritimus Strasser, 1969 (additional source)
Atopocystis loeffleri Attems, 1951 accepted as
Ommatoiulus caspius (Lohmander, 1928) (additional source)
Baskoiulus cavernarum Verhoeff, 1938 accepted as
Mesoiulus cavernarum (Verhoeff, 1938) (additional source)
Baskoiulus stammeri Verhoeff, 1938 accepted as
Mesoiulus stammeri (Verhoeff, 1938) (additional source)
Chersoiulus ciliatus Strasser, 1938 (additional source)
Cypriopachyiulus henroti Strasser, 1967 (additional source)
Dolichoiulus Verhoeff, 1900 (source of synonymy)
Geopachyiulus lepineyi Verhoeff, 1936 accepted as
Afropachyiulus lepineyi (Verhoeff, 1936) (additional source)
Geopachyiulus negreai Tabacaru, 1978 (original description)
Hylopachyiulus likanus Attems, 1926 accepted as
Hylopachyiulus corylorum (Verhoeff, 1907) (additional source)
Iudaeoiulus Verhoeff, 1930 (source of synonymy)
Iulus nematodes Latzel, 1884 accepted as
Geopachyiulus nematodes (Latzel, 1884) (additional source)
Iulus varius Fabricius, 1781 accepted as
Pachyiulus varius (Fabricius, 1781) (additional source)
Japanoiulus Verhoeff, 1937 accepted as
Japanioiulus Verhoeff, 1937 (source of synonymy)
Japonopachyiulus Miyosi, 1957 accepted as
Japanopachyiulus Miyosi, 1957 (source of synonymy)
Julus hungaricus Karsch, 1881 accepted as
Pachyiulus hungaricus (Karsch, 1881) (additional source)
Julus salvagicus Latzel, 1895 accepted as
Dolichoiulus salvagicus (Latzel, 1895) (additional source)
Kaloiulus Attems, 1940 accepted as
Pachyiulus Berlese, 1883 (source of synonymy)
Megaiulus Verhoeff, 1894 accepted as
Pachyiulus Berlese, 1883 (source of synonymy)
Mesoiulus bulgaricus Gulička, 1967 accepted as
Rhodopiella beroni (Strasser, 1966) (additional source)
Mesoiulus chappuisi Mauriès, 1964 accepted as
Mesoiulus cavernarum (Verhoeff, 1938) (source of synonymy)
Mesoiulus ciliciensis Strasser, 1975 (additional source)
Mesoiulus franzi Attems, 1944 accepted as
Mesoiulus gridellii Strasser, 1934 (source of synonymy)
Mesoiulus gridelli Strasser, 1934 accepted as
Mesoiulus gridellii Strasser, 1934 (additional source)
Mesoiulus kosswigi Verhoeff, 1936 (additional source)
Mesoiulus mauriesi Strasser, 1974 (additional source)
Mesoiulus paradoxus Berlese, 1886 (additional source)
Mesoiulus siculus Silvestri, 1902 (additional source)
Micropachyiulus corylorum Verhoeff, 1907 accepted as
Hylopachyiulus corylorum (Verhoeff, 1907) (additional source)
Nanopachyiulus Attems, 1902 (source of synonymy)
Nesopachyiulus hercules Schubart, 1960 accepted as
Dolichoiulus hercules (Schubart, 1960) (additional source)
Oxyiulus Verhoeff, 1896 accepted as
Pachyiulus Berlese, 1883 (source of synonymy)
Pachyiulus oraniensis Verhoeff, 1900 accepted as
Afropachyiulus oraniensis (Verhoeff, 1900) (additional source)
Pachyiulus paucioculatus Verhoeff, 1899 accepted as
Micropachyiulus paucioculatus (Verhoeff, 1899) (additional source)
Pachyiulus pygmaeus Attems, 1904 accepted as
Hylopachyiulus pygmaeus (Attems, 1904) (additional source)
Promeritoconus lohmanderi Verhoeff, 1943 (additional source)
Syrioiulus Verhoeff, 1914 (source of synonymy)
Typhlopachyiulus Verhoeff, 1898 accepted as
Mesoiulus Verhoeff, 1893 accepted as
Ommatoiulus Latzel, 1884 (source of synonymy)