• Castalia Lamarck, 1819 [Family: Hyriidae]
• Castalia Laporte & Gory, 1837 accepted as Lamprodila Motschoulsky, 1860 [Family: Buprestidae]
• Castalia Moore in Horsfield & Moore, 1857 accepted as Sephisa Moore, 1882 [Family: Nymphalidae]
• Castalia R.A. Salisbury, 1805 accepted as Nymphaea Linnaeus, 1753 [Family: Nymphaeaceae]
• Castalia Savigny, 1822 accepted as Nereimyra Blainville, 1828 [Family: Hesionidae]
• Castalia Westwood in Doubleday & Westwood, 1850 (uncertain) [Family: Lepidoptera (awaiting allocation)]
• Castalia amazonum (Mart. & Zucc.) Britt. & Wilson accepted as Nymphaea amazonum Mart. & Zucc.
• Castalia ampla Salisb. accepted as Nymphaea ampla (Salisb.) DC.
• Castalia aphroditioides (Fabricius, 1780) accepted as Nereimyra aphroditoides (O. Fabricius, 1780)
• Castalia arctica Malmgren, 1867 accepted as Nereimyra aphroditoides (O. Fabricius, 1780)
• Castalia aurantiaca Sars, 1862 accepted as Hesiospina aurantiaca (Sars, 1862)
• Castalia cincinnata Verrill, 1885 accepted as Podarkeopsis cincinnata (Verrill, 1885)
• Castalia claparedii Costa in Claparède, 1868 accepted as Leocrates claparedii (Costa in Claparède, 1868)
• Castalia elegans (Hook.) Greene accepted as Nymphaea elegans Hook.
• Castalia fabricii Malmgren, 1867 accepted as Nereimyra aphroditoides (O. Fabricius, 1780)
• Castalia flava (Leitner) Greene accepted as Nymphaea mexicana Zucc.
• Castalia fusca (Johnston, 1836) accepted as Psamathe fusca Johnston, 1836
• Castalia globithorax Thomson, 1878 accepted as Microcastalia globithorax (Thomson, 1878)
• Castalia hesionides Augener, 1906 accepted as Dalhousiella hesionides (Augener, 1906)
• Castalia impustulata Gory, 1841 accepted as Strigoptera bimaculata (Linnaeus, 1758)
• Castalia jamesoniana (Planch.) Britt. & Wilson accepted as Nymphaea jamesoniana Planch.
• Castalia leibergii accepted as Nymphaea tetragona Georgi
• Castalia lekophylla Small accepted as Nymphaea odorata Ait.
• Castalia longicirrata Treadwell, 1901 accepted as Dalhousiella longicirrata (Treadwell, 1901)
• Castalia longicornis Sars, 1862 accepted as Hesiospina aurantiaca (Sars, 1862)
• Castalia minor (Sims) Nyar accepted as Nymphaea odorata Ait.
• Castalia multipapillata Théel, 1879
• Castalia mutilata Treadwell, 1901 accepted as Oxydromus mutilatus (Treadwell, 1901)
• Castalia oculata Treadwell, 1906 accepted as Leocrates oculatus (Treadwell, 1906)
• Castalia odorata (Ait.) Wood accepted as Nymphaea odorata Ait.
• Castalia pulchella (DC.) Britt. accepted as Nymphaea ampla (Salisb.) DC.
• Castalia punctata
• Castalia reniformis DC. accepted as Nymphaea odorata Ait.
• Castalia rudgeana (G.F.W. Mey.) Britt. & Wilson accepted as Nymphaea rudgeana G.F.W. Mey.
• Castalia scintillans Carter, 1924
• Castalia tetragona (Georgi) Lawson accepted as Nymphaea tetragona Georgi
• Castalia tuberosa (Paine) Greene accepted as Nymphaea odorata Ait.