Aeolidia Cuvier, 1798 (subsequent type designation)
Antiopa hyalina Alder & Hancock, 1854 accepted as Janolus hyalinus (Alder & Hancock, 1854) (redescription)
Cenia cocksii Alder & Hancock, 1848 accepted as Limapontia senestra (Quatrefages, 1844) (additional source)
Delphinapterus Lacépède, 1804 (original description)
Dendronotus Alder & Hancock, 1845 (original description)
Doris inconspicua Alder & Hancock, 1851 accepted as Atalodoris inconspicua (Alder & Hancock, 1851) (original description)
Doris johnstoni Alder & Hancock, 1845 accepted as Jorunna tomentosa (Cuvier, 1804) (original description)
Eolis picta Alder & Hancock, 1847 accepted as Eubranchus pallidus (Alder & Hancock, 1842) accepted as Amphorina pallida (Alder & Hancock, 1842) (original description)
Eolis smaragdina Alder & Hancock, 1851 accepted as Microchlamylla gracilis (Alder & Hancock, 1844) accepted as Coryphella gracilis (Alder & Hancock, 1844) (original description)
Idalia aspersa Alder & Hancock, 1845 accepted as Okenia aspersa (Alder & Hancock, 1845) (original description)
Lamellidoris Alder & Hancock, 1855 accepted as Onchidoris Blainville, 1816 (original description)