Acrenhydrosoma Lang, 1944 (basis of record)
Acrenhydrosoma perplexum (Scott T., 1899) (basis of record)
Aculeopsis Huys & Willems, 1989 (basis of record)
Aculeopsis longisetosa Huys & Willems, 1989 (basis of record)
Adenopleurellidae Huys, 1990 (basis of record)
Aegisthidae Giesbrecht, 1893 (basis of record)
Aegisthus Giesbrecht, 1891 (basis of record)
Aegisthus aculeatus Giesbrecht, 1891 (basis of record)
Aegisthus mucronatus Giesbrecht, 1891 (basis of record)
Aegisthus spinulosus Farran, 1905 (basis of record)
Afrolaophonte Chappuis, 1960 (basis of record)
Afrolaophonte pori Masry, 1970 (basis of record)
Aigondiceps Fiers, 1995 (basis of record)
Aigondiceps bocki (Lang, 1948) (basis of record)
Aigondiceps brevicauda (Huys, 1995) (basis of record)
Aigondiceps kunzi (Marinov, 1974) (basis of record)
Alteutha Baird, 1846 (basis of record)
Alteutha aberrans Czerniavski, 1868 (basis of record)
Alteutha depressa (Baird, 1837) (basis of record)
Alteutha interrupta (Goodsir, 1845) (basis of record)
Alteutha oblonga (Goodsir, 1845) (basis of record)
Alteutha roeae Hicks, 1982 (basis of record)
Alteutha sarsi Monard, 1924 (basis of record)
Alteutha typica Czerniavski, 1868 (basis of record)
Ambunguipes Huys, 1990 (basis of record)
Ambunguipes rufocincta (Norman in Brady, 1880) (basis of record)
Ameira Boeck, 1865 (basis of record)
Ameira atlantica Noodt, 1958 represented as Ameira atlantica atlantica Noodt, 1958 (basis of record)
Ameira atlantica atlantica Noodt, 1958 (basis of record)
Ameira atlantica mediterranea Kunz, 1975 (basis of record)
Ameira divagans Nicholls, 1939 represented as Ameira divagans divagans Nicholls, 1939 (basis of record)
Ameira divagans divagans Nicholls, 1939 (basis of record)
Ameira divagans pontica Marinov, 1973 (basis of record)
Ameira exigua Scott T., 1894 (basis of record)
Ameira listensis Mielke, 1973 (basis of record)
Ameira longipes Boeck, 1865 (basis of record)
Ameira lusitanica Galhano, 1970 (basis of record)
Ameira minuta Boeck, 1865 (basis of record)
Ameira parascotti Chislenko, 1977 (basis of record)
Ameira parvula (Claus, 1866) (basis of record)
Ameira parvula f. nana Willey, 1935 (basis of record)
Ameira parvula f. tenuiseta Willey, 1929 (basis of record)
Ameira parvuloides Lang, 1965 (basis of record)
Ameira pusilla Scott T., 1903 (basis of record)
Ameira reducta Petkovski, 1954 (basis of record)
Ameira scotti Sars G.O., 1911 (basis of record)
Ameira speciosa Monard, 1935 (basis of record)
Ameira tenuicornis Scott T., 1902 (basis of record)
Ameira usitata Klie, 1950 (basis of record)
Ameiridae Boeck, 1865 (basis of record)
Ameiropsis Sars G.O., 1907 (basis of record)
Ameiropsis angulifera Sars G.O., 1911 (basis of record)
Ameiropsis brevicornis Sars G.O., 1907 (basis of record)
Ameiropsis longicornis Sars G.O., 1907 (basis of record)
Ameiropsis minor (Sars G.O., 1920) (basis of record)
Ameiropsis mixta Sars G.O., 1907 (basis of record)
Ameiropsis nobilis Sars G.O., 1911 (basis of record)
Ameiropsyllus Huys, 2009 (basis of record)
Ameiropsyllus ariana (Monard, 1928) (basis of record)
Ameiropsyllus monardi Bodin, 1979 (basis of record)
Amenophia Boeck, 1865 (basis of record)
Amenophia pulchella Sars G.O., 1906 (basis of record)
Amonardia Lang, 1944 (basis of record)
Amonardia arctica (Scott T., 1899) (basis of record)
Amonardia pelophila Por, 1964 (basis of record)
Amonardia phyllopus (Sars G.O., 1906) (basis of record)
Amonardia similis (Claus, 1866) (basis of record)
Amphiascoides Nicholls, 1941 (basis of record)
Amphiascoides breviarticulatus Kunz, 1983 (basis of record)
Amphiascoides brevifurca (Czerniavsky, 1868) (basis of record)
Amphiascoides debilis (Giesbrecht, 1881) (basis of record)
Amphiascoides dispar (Scott T. & Scott A., 1894) (basis of record)
Amphiascoides golikovi Chislenko, 1977 (basis of record)
Amphiascoides koltuni Chislenko, 1977 (basis of record)
Amphiascoides littoralis (Scott T., 1903) (basis of record)
Amphiascoides nanoides (Sars G.O., 1911) (basis of record)
Amphiascoides nanus (Sars G.O., 1906) (basis of record)
Amphiascoides neglecta (Norman & Scott T., 1905) represented as Amphiascoides neglectus (Norman & Scott T., 1905) (basis of record)
Amphiascoides sterilis (Monard, 1926) (basis of record)
Amphiascoides subdebilis (Willey, 1935) (basis of record)
Amphiascopsis Gurney, 1927 (basis of record)
Amphiascopsis cinctus (Claus, 1866) (basis of record)
Amphiascus Sars G.O., 1905 (basis of record)
Amphiascus perplexus (Thompson I.C. & Scott A., 1903) (basis of record)
Anapophysia Huys & Gee, 1996 (basis of record)
Anapophysia borealis (Klie, 1939) (basis of record)
Ancorabolidae Sars G.O., 1909 (basis of record)
Ancorabolus Norman, 1903 (basis of record)
Ancorabolus mirabilis Norman, 1903 (basis of record)
Apodopsyllus africanus Kunz, 1962 (basis of record)
Apodopsyllus africanus listensis Mielke, 1975 (basis of record)
Apodopsyllus littoralis (Nicholls, 1939) (basis of record)
Apodopsyllus lynceorum Cottarelli, 1973 (basis of record)
Apodopsyllus melitae Kunz, 1992 (basis of record)
Apodopsyllus spinipes (Nicholls, 1939) (basis of record)
Applanola Huys & Lee, 2000 (basis of record)
Applanola hirsuta (Thompson I.C. & Scott A., 1903) (basis of record)
Archesola Huys & Lee, 2000 (basis of record)
Archesola hamondi Huys & Lee, 2000 (basis of record)
Archesola longiremis (Scott T., 1905) (basis of record)