• Jansonia Bates, 1891 accepted as Jansenia Chaudoir, 1865 [Family: Cicindelidae, Order: Coleoptera]
• Jansonia Bedel, 1891 accepted as Jansenia Chaudoir, 1865 [Family: Cicindelidae, Order: Coleoptera]
• Jansonia R. Kippist, 1847 accepted as Gastrolobium R. Brown in W.T. Aiton, 1811 [Family: Fabaceae, Order: Fabales]
• Jansonia S.A.J. Pocock, 1972 † accepted as Bajociana E.A. Molinari-Novoa & M.D. Guiry, 2021 † [Family: , Order: Gonyaulacales]
• Jansonia Schürhoff, 1937 [Family: Scarabaeidae, Order: Coleoptera]
• Jansonia formosa Kippist
• Jansonia jurassica S.A.J. Pocock, 1972 †