Agathotanaidae Lang, 1971 (basis of record)
Agathotanais Hansen, 1913 (additional source)
Agathotanais ingolfi Hansen, 1913 (additional source)
Akanthophoreidae Sieg, 1986 (basis of record)
Akanthophoreus Sieg, 1986 (additional source)
Akanthophoreus gracilis (Krøyer, 1842) (additional source)
Akanthophoreus inermis (Hansen, 1913) accepted as Parakanthophoreus inermis (Hansen, 1913) (additional source)
Akanthophoreus longiremis (Lilljeborg, 1864) accepted as Parakanthophoreus longiremis (Lilljeborg, 1864) (additional source)
Akanthophoreus multiserratus (Hansen, 1913) accepted as Parakanthophoreus multiserratus (Hansen, 1913) (additional source)
Alaotanais Norman & Stebbing, 1886 accepted as Neotanais Beddard, 1886 (additional source)
Alaotanais hastiger Norman & Stebbing, 1886 accepted as Neotanais hastiger (Norman & Stebbing, 1886) (additional source)
Alaotanais laevispinosus Norman & Stebbing, 1886 accepted as Neotanais laevispinosus (Norman & Stebbing, 1886) (additional source)
Alaotanais serratispinosus Norman & Stebbing, 1886 accepted as Neotanais serratispinosus (Norman & Stebbing, 1886) accepted as Neotanais americanus Beddard, 1886 (additional source)
Anarthrura Sars, 1882 (additional source)
Anarthrura simplex Sars, 1882 (additional source)
Anarthrurella Bird, 2004 (basis of record)
Anarthrurella clairae Bird, 2004 (basis of record)
Anarthruridae Lang, 1971 (additional source)
Anatanaini Sieg, 1980 (additional source)
Anatanais Nordenstam, 1930 (basis of record)
Anatanais robustus (Moore, 1894) accepted as Hexapleomera robusta (Moore, 1894) (basis of record)
Anisopechys Bird, 2004 (basis of record)
Anisopechys crinitus Bird, 2004 (basis of record)
Ansphyrapus Gutu, 2001 (basis of record)
Ansphyrapus tudes (Norman & Stebbing, 1886) (basis of record)
Anuropoda Bacescu, 1980 accepted as Parapseudes Sars, 1882 (additional source)
Anuropoda francispori Bacescu, 1980 accepted as Parapseudes francispori (Bacescu, 1980) (additional source)
Anuropodidae Bacescu, 1980 accepted as Parapseudidae Gutu, 1981 (basis of record)
Apseudes Leach, 1814 (basis of record)
Apseudes (Apseudes) Leach, 1814 accepted as Apseudes Leach, 1814 (basis of record)
Apseudes (Apseudes) tenuimanus Sars, 1882 accepted as Apseudes tenuimanus Sars, 1882 accepted as Zoidbergus tenuimanus (Sars, 1882) (basis of record)
Apseudes (Apseudes) tenuimanus Gottliebi Bacescu, 1961 accepted as Apseudes tenuimanus Sars, 1882 accepted as Zoidbergus tenuimanus (Sars, 1882) (additional source)
Apseudes (Tuberapseudes) Bacescu & Gutu, 1971 accepted as Tuberapseudes Bacescu & Gutu, 1971 (basis of record)
Apseudes (Tuberapseudes) echinatus Sars, 1882 accepted as Tuberapseudes echinatus (Sars, 1882) (basis of record)
Apseudes acutifrons Sars, 1882 accepted as Apseudopsis acutifrons (Sars, 1882) (additional source)
Apseudes africanus Tattersall, 1925 (basis of record)
Apseudes africanus orientalis Bacescu, 1961 accepted as Apseudes orientalis Bacescu, 1961 (basis of record)
Apseudes albidus Bacescu, 1984 (basis of record)
Apseudes caeca Willemoes-Suhm, 1875 accepted as Leviapseudes caecus (Willemoes-Suhm, 1875) (additional source)
Apseudes echinatus Sars, 1882 accepted as Apseudes (Tuberapseudes) echinatus Sars, 1882 accepted as Tuberapseudes echinatus (Sars, 1882) (additional source)
Apseudes elisae Bacescu, 1961 accepted as Apseudopsis elisae (Bacescu, 1961) (additional source)
Apseudes gracilis Norman & Stebbing, 1886 accepted as Leiopus gracilis (Norman & Stebbing, 1886) accepted as Leviapseudes gracilis (Norman & Stebbing, 1886) (additional source)
Apseudes graciloides Stephensen, 1915 accepted as Obscurapseudes graciloides (Stephensen, 1915) (additional source)
Apseudes grazielae Bacescu, 1981 (basis of record)
Apseudes grossimanus Norman & Stebbing, 1886 (basis of record)
Apseudes hastifrons Norman & Stebbing, 1886 accepted as Apseudopsis hastifrons (Norman & Stebbing, 1886) (additional source)
Apseudes hibernicus Walker, 1898 accepted as Apseudes talpa (Montagu, 1808) (basis of record)
Apseudes holthuisi Bacescu, 1961 (basis of record)
Apseudes intermedius Hansen, 1985 accepted as Muramura intermedia (Hansen, 1895) accepted as Muramurina intermedia (Hansen, 1895) accepted as Gollumudes intermedius (Hansen, 1895) accepted as Paradoxapseudes intermedius (Hansen, 1895) (additional source)
Apseudes Koehleri Bonnier, 1896 accepted as Apseudes spinosus koehleri (Bonnier, 1896) (additional source)
Apseudes latreillei Milne Edwards, 1828 accepted as Apseudopsis latreillii (Milne Edwards, 1828) (additional source)
Apseudes latreillii (Milne Edwards, 1828) accepted as Apseudopsis latreillii (Milne Edwards, 1828) (additional source)
Apseudes leptodactylus (Beddard, 1886) accepted as Leviapseudes leptodactylus (Beddard, 1886) (additional source)
Apseudes lunarifrons Norman & Stebbing, 1886 accepted as Apseudes echinatus Sars, 1882 accepted as Apseudes (Tuberapseudes) echinatus Sars, 1882 accepted as Tuberapseudes echinatus (Sars, 1882) (additional source)
Apseudes mediterraneus Bacescu, 1961 accepted as Apseudopsis mediterraneus (Bacescu, 1961) (basis of record)
Apseudes misarai Bacescu, 1980 (basis of record)
Apseudes miserai Bacescu, 1980 accepted as Apseudes misarai Bacescu, 1980 (additional source)
Apseudes obtusifrons Haswell, 1882 accepted as Kalliapseudes obtusifrons (Haswell, 1882) (additional source)
Apseudes orientalis Bacescu, 1961 (basis of record)
Apseudes ostroumovi (Bacescu & Carausu, 1947) accepted as Apseudopsis ostroumovi Bacescu & Carausu, 1947 (additional source)
Apseudes retusifrons Richardson, 1912 accepted as Fageapseudes retusifrons (Richardson, 1912) (additional source)
Apseudes robustus Sars, 1882 (additional source)
Apseudes rotundifrons Bacescu, 1981 (basis of record)
Apseudes setiferus Bacescu, 1981 (additional source)
Apseudes sicilianus Bacescu, 1980 accepted as Pectinapseudes (Impectinatus) sicilianus (Bacescu, 1980) (additional source)
Apseudes simplicirostris Norman & Stebbing, 1886 accepted as Carpoapseudes simplicirostris (Norman & Stebbing, 1886) (additional source)
Apseudes spinosus (M. Sars, 1858) (additional source)
Apseudes spinosus albidus Bacescu, 1984 accepted as Apseudes albidus Bacescu, 1984 (additional source)
Apseudes spinosus koehleri (Bonnier, 1896) (additional source)
Apseudes talpa (Montagu, 1808) (additional source)
Apseudes tenuimanus Sars, 1882 accepted as Zoidbergus tenuimanus (Sars, 1882) (basis of record)
Apseudes tenuis Hansen, 1913 accepted as Zoidbergus tenuis (Hansen, 1913) (additional source)
Apseudes uncidigitatus Norman & Stebbing, 1886 accepted as Apseudopsis uncidigitatus (Norman & Stebbing, 1886) (additional source)
Apseudes vicinus Hansen, 1913 accepted as Zoidbergus vicinus (Hansen, 1913) (additional source)
Apseudidae Leach, 1814 (basis of record)
Apseudinae Leach, 1814 (basis of record)
Apseudoidea Leach, 1814 (basis of record)
Apseudomorpha (basis of record)
Apseudopsis acutifrons (Sars, 1882) (basis of record)
Apseudopsis elisae (Bacescu, 1961) (basis of record)
Apseudopsis hastifrons (Norman & Stebbing, 1886) (basis of record)
Apseudopsis latreillii (Milne Edwards, 1828) (basis of record)
Apseudopsis mediterraneus (Bacescu, 1961) (basis of record)
Apseudopsis ostroumovi Bacescu & Carausu, 1947 (additional source)
Apseudopsis robustus (Sars, 1882) accepted as Apseudes robustus Sars, 1882 (basis of record)
Apseudopsis uncidigitatus (Norman & Stebbing, 1886) (basis of record)
Araphura Bird & Holdich, 1984 (additional source)
Araphura brevimanus (Lilljeborg, 1864) (additional source)
Araphura brevispina Bird & Holdich, 1984 accepted as Arhaphuroides brevispina (Bird & Holdich, 1984) (additional source)
Araphura filiformis (Lilljeborg, 1864) (additional source)
Arhaphuroides Sieg, 1986 (additional source)
Arhaphuroides brevispina (Bird & Holdich, 1984) (additional source)
Atlantapseudes Bacescu, 1978 (additional source)
Atlantapseudes nigrichela Bacescu, 1978 (additional source)
Bathytanaissus Bird & Holdich, 1989 (additional source)
Bathytanaissus spinulosus Bird & Holdich, 1989 (additional source)
Calozodion Gardiner, 1973 (additional source)
Calozodion dollfusi Gutu, 1989 accepted as Julmarichardia dollfusi (Gutu, 1989) (additional source)
Carpoapseudes Lang, 1968 (additional source)
Carpoapseudes curticarpus Bacescu, 1982 (additional source)