Abacoptes Keifer, 1939 (basis of record)
Abacoptes ulmivagrans (Keifer, 1939) (basis of record)
Abantiadinus Schenkling in Schenkling & Marshall, 1929 (basis of record)
Abarenicola insularum Wells, 1963 (basis of record)
Abaristophora austrophila Schmitz, 1939 (basis of record)
Abaristophora brevicornis Schmitz, 1939 (basis of record)
Abaristophora nana Schmitz, 1939 (basis of record)
Abaristophora similicornis Schmitz, 1939 (basis of record)
Abaristophora subarcuata Schmitz, 1939 (basis of record)
Abaristophora tonnoiri Schmitz, 1939 (basis of record)
Abatetia Miller, 1945 (basis of record)
Abatetia robusta (Parent, 1933) (basis of record)
Abatetia robusta (Parent, 1933) (extant flag source)
Abatetia robusta (Parent, 1933) (habitat flag source)
Abelaturus Cook, 1985 (basis of record)
Abelaturus cornophorus Cook, 1983 (basis of record)
Abelaturus ogalus Cook, 1991 (basis of record)
Abergasilis accepted as Abergasilus Hewitt, 1978 (basis of record)
Abergasilis amplexus Hewitt, 1978 (basis of record)
Ablabesmyia mala (Hutton, 1902) (basis of record)
Abrolophus zelandicus Luxton, 1989 (basis of record)
Abrotheus Broun, 1917 (basis of record)
Abyssoninoe galatheae (Knox & Green, 1972) (basis of record)
Abyssophilos Jellinek & Swanson, 2003 (basis of record)
Abyssophilos ktis Jellinek & Swanson, 2003 (basis of record)
Acalitus Keifer, 1965 (basis of record)
Acalitus australis (Lamb, 1952) (basis of record)
Acalitus avicenniae (Lamb, 1952) (basis of record)
Acalitus carpatus Manson, 1984 (basis of record)
Acalitus cottieri (Lamb, 1952) (basis of record)
Acalitus dissimus Manson, 1984 (basis of record)
Acalitus essigi (Hassan, 1928) (basis of record)
Acalitus excelsus Manson, 1984 (basis of record)
Acalitus intertextus Manson, 1984 (basis of record)
Acalitus kohus Manson, 1984 (basis of record)
Acalitus lowei Manson, 1972 (basis of record)
Acalitus morrisoni Manson, 1970 (basis of record)
Acalitus orthomerus (Keifer, 1951) (basis of record)
Acalitus rubensis Manson, 1970 (basis of record)
Acalitus spinus Manson, 1984 (basis of record)
Acalitus taurangensis (Manson, 1965) (basis of record)
Acanthella dendy (Bergquist, 1970) (basis of record)
Acanthobothrium wedli Robinson, 1959 (basis of record)
Acanthocheilus bicuspis (Wedl, 1855) (basis of record)
Acanthocheilus quadridentatus Molin, 1858 (basis of record)
Acanthochitona thileniusi (Thiele, 1909) (basis of record)
Acanthochitona zelandica (Quoy & Gaimard, 1835) (basis of record)
Acanthochitona zelandica (Quoy & Gaimard, 1835) (current name source)
Acanthochondria incisa Shiino, 1955 (basis of record)
Acanthodesiomorpha d'Hondt, 1981 (basis of record)
Acanthodesiomorpha problematica d'Hondt, 1981 (basis of record)
Acanthodoris globosa Abraham, 1877 (basis of record)
Acanthodoris mollicella Abraham, 1877 (basis of record)
Acanthodoris pallida Bergh, 1905 (basis of record)
Acanthodrilus kermadecensis Lee, 1953 (basis of record)
Acanthodus costatus Druce & Jones, 1971 † (basis of record)
Acanthodus lineatus (Furnish, 1938) † (basis of record)
Acanthomurus alpinus Salmon, 1941 (basis of record)
Acanthomurus rivalis Wise, 1964 (basis of record)
Acanthomurus setosus Salmon, 1941 (basis of record)
Acanthomurus womersleyi Salmon, 1941 (basis of record)
Acanthoparyphium spinolosum Johnston, 1917 (basis of record)
Acanthopharynx similis (Allgén, 1932) (basis of record)
Acanthophlebia Clarke, 1986 (basis of record)
Acanthophlebia cruentata (Hudson, 1904) (basis of record)
Acanthopolymastia acanthotoxa (Koltun, 1964) (basis of record)
Acanthoscina acanthodes (Stebbing, 1895) (current name source)
Acanthoxyla fasciata (Hutton, 1899) (basis of record)
Acanthoxyla huttoni Salmon, 1955 (basis of record)
Acanthoxyla inermis Salmon, 1955 (basis of record)
Acanthoxyla intermedia Salmon, 1955 (basis of record)
Acanthoxyla prasina (Westwood, 1859) (basis of record)
Acanthoxyla speciosa Salmon, 1955 (basis of record)
Acanthoxyla suteri (Hutton, 1899) (basis of record)
Acanthucus trispinifer (Fairmaire, 1846) (basis of record)
Acar sandersonae Powell, 1933 † (basis of record)
Acar sociella (A.E. Brookes, 1926) (basis of record)
Acar sociella (A.E. Brookes, 1926) (current name source)
Acarapis vagans Schneider, 1941 (basis of record)
Acaraptera myersi Usinger & Matsuda, 1959 (basis of record)
Acaraptera waipouensis Heiss, 1990 (basis of record)
Acaronychus Grandjean, 1932 (basis of record)
Acartia ensifera Brady, 1899 (basis of record)
Acartia jilletti Bradford, 1976 (basis of record)
Acartia simplex G.O. Sars, 1905 (basis of record)
Acarus farris (Oudemans, 1905) (basis of record)
Acarus immobilis Griffiths, 1964 (basis of record)
Accacladocoelium alveolatum Robinson, 1934 (current name source)
Accacladocoelium leontjevae Korotaeva, 1976 (basis of record)
Acerentulus kermadecensis Ramsay & Tuxen, 1978 (basis of record)
Aceria bipedis Manson, 1984 (basis of record)
Aceria calystegiae (Lamb, 1952) (basis of record)
Aceria capreae Manson, 1984 (basis of record)
Aceria carmichaeliae Lamb, 1952 (basis of record)
Aceria clianthi Lamb, 1952 (basis of record)
Aceria depressae Manson, 1984 (basis of record)
Aceria genistae (Nalepa, 1891) (basis of record)
Aceria gersoni Manson, 1984 (basis of record)
Aceria gleicheniae Manson, 1984 (basis of record)
Aceria hagleyensis Manson, 1984 (basis of record)