• Alia accepted as Ailia Gray, 1830
• Alia H. Adams & A. Adams, 1853
• Alia angsanana (K. Martin, 1921) †
• Alia aurantiaca (Dall, 1871) accepted as Mitrella aurantiaca (Dall, 1871)
• Alia callimorpha Dall, 1919 accepted as Alia carinata (Hinds, 1844)
• Alia carinata (Hinds, 1844)
• Alia casciana Dall, 1919 accepted as Mitrella gausapata (A. Gould, 1850)
• Alia coila (Hamilton, 1822) accepted as Ailia coila (Hamilton, 1822)
• Alia gausapata (A. Gould, 1850) accepted as Mitrella gausapata (A. Gould, 1850)
• Alia gouldii (P. P. Carpenter, 1857) accepted as Alia carinata (Hinds, 1844)
• Alia merangiana (K. Martin, 1921) †
• Alia permodesta (Dall, 1890) accepted as Astyris permodesta (Dall, 1890)
• Alia preangerensis (K. Martin, 1921) †
• Alia tuberosa (P. P. Carpenter, 1865) accepted as Mitrella tuberosa (P. P. Carpenter, 1865)
• Alia tuberosa major Oldroyd, 1925 † accepted as Mitrella tuberosa (P. P. Carpenter, 1865)
• Alia unicolor (G. B. Sowerby I, 1832)
• Alia unifasciata (G. B. Sowerby I, 1832)
• Alia xenia Dall, 1919 accepted as Mitrella xenia (Dall, 1919)
• Aliagarivorans Jean, Huang, Liu, Chen & Shieh, 2009
• Aliagarivorans marinus Jean, Huang, Liu, Chen & Shieh, 2009
• Aliama Gray, 1864 accepted as Ziphius Cuvier, 1823
• Aliama desmarestii Gray, 1864 accepted as Ziphius cavirostris Cuvier, 1823
• Aliama indica Gray, 1865 accepted as Ziphius cavirostris Cuvier, 1823
• Alianta Thomson, 1858
• Alianta pictipennis Fauvel, 1905 accepted as Heterota pictipennis (Fauvel, 1905)
• Aliaplax Pasini, Garassino, De Angeli & Pizzolato, 2020 †
• Aliaplax tyrsenorum Pasini, Garassino, De Angeli & Pizzolato, 2020 †
• Aliaporcellana Nakasone & Miyake, 1969
• Aliaporcellana kikuchii Nakasone & Miyake, 1969
• Aliaporcellana pygmaea (De Man, 1902)
• Aliaporcellana spongicola Hiller & Werding, 2018
• Aliaporcellana suluensis (Dana, 1852)
• Aliaporcellana taiwanensis Dong, Li & Chan, 2011
• Aliaporcellana telestophila (Johnson, 1958)
• Aliascaris Kalyankar, 1971
• Aliascaris aetoplatea Luo, 2001 accepted as Terranova aetoplatea (Luo, 2001) Li, Gibson & Zhang, 2016
• Aliascaris indica Kalyankar, 1971
• Aliaster Valdinucci, 1975 †
• Aliatrema Plaisance & Kritsky, 2004 accepted as Euryhaliotrema Kritsky & Boeger, 2002
• Aliatrema cribbi Plaisance & Kritsky, 2004 accepted as Euryhaliotrema cribbi (Plaisance & Kritsky, 2004) Kritsky, 2012
• Aliatrema spirotubiforum (Zhang in Zhang, Yang & Liu, 2001) Wu, Zhu, Xie & Li, 2007 accepted as Euryhaliotrema spirotubiforum (Zhang in Zhang, Yang & Liu, 2001) Wu, Zhu, Xie & Li, 2006
• Anachis (Alia) H. Adams & A. Adams, 1853 accepted as Alia H. Adams & A. Adams, 1853
• Anachis (Alia) gardnerae Olsson & Harbison, 1953 † accepted as Mitrella gardnerae (Olsson & Harbison, 1953)
• Columbella (Alia) H. Adams & A. Adams, 1853 accepted as Alia H. Adams & A. Adams, 1853
• Columbella (Alia) angsanana K. Martin, 1921 † accepted as Alia angsanana (K. Martin, 1921) †
• Columbella (Alia) girondica Peyrot, 1925 † accepted as Mitrella girondica (Peyrot, 1925) †
• Columbella (Alia) matsoni Mansfield, 1924 † represented as Columbella matsoni Mansfield, 1924 †
• Columbella (Alia) merangiana K. Martin, 1921 † accepted as Alia merangiana (K. Martin, 1921) †
• Columbella (Alia) peyreirensis Peyrot, 1925 † accepted as Mitrella peyreirensis (Peyrot, 1925) †
• Columbella (Alia) preangerensis K. Martin, 1921 † accepted as Alia preangerensis (K. Martin, 1921) †
• Columbella (Alia) turonensis Peyrot, 1925 † accepted as Columbella turonica Mayer, 1869 †
• Columbella (Alia) turonensis mut. aquitanica Peyrot, 1925 † accepted as Mitrella aquitanica (Peyrot, 1925) †
• Columbella (Alia) turonensis mut. depressior Peyrot, 1925 † (uncertain > unassessed)