• Adalaria loveni (Alder & Hancock, 1862)
• Adalaria proxima (Alder & Hancock, 1854)
• Adalaria rossica Martynov & Korshunova, 2017
• Atalodoris albonigra (Pruvot-Fol, 1951) accepted as Atalodoris pusilla (Alder & Hancock, 1845)
• Atalodoris bouvieri (Vayssière, 1919) accepted as Idaliadoris bouvieri (Vayssière, 1919)
• Atalodoris butanito Ortea, 2021
• Atalodoris camassae Furfaro & Trainito, 2022
• Atalodoris cervinoi (Ortea & Urgorri, 1979) accepted as Idaliadoris cervinoi (Ortea & Urgorri, 1979)
• Atalodoris depressa (Alder & Hancock, 1842) accepted as Idaliadoris depressa (Alder & Hancock, 1842)
• Atalodoris inconspicua (Alder & Hancock, 1851)
• Atalodoris neapolitana (Delle Chiaje, 1841) accepted as Idaliadoris neapolitana (Delle Chiaje, 1841)
• Atalodoris oblonga (Alder & Hancock, 1845)
• Atalodoris pictoni (Furfaro & Trainito, 2017)
• Atalodoris pusilla (Alder & Hancock, 1845)
• Atalodoris reticulata (Ortea, 1979)
• Atalodoris sparsa (Alder & Hancock, 1846)
• Atalodoris tridactila (Ortea & Ballesteros, 1982) accepted as Idaliadoris tridactila (Ortea & Ballesteros, 1982)
• Idaliadoris bouvieri (Vayssière, 1919)
• Idaliadoris cervinoi (Ortea & Urgorri, 1979)
• Idaliadoris depressa (Alder & Hancock, 1842)
• Idaliadoris neapolitana (Delle Chiaje, 1841)
• Idaliadoris perlucea (Ortea & Moro, 2014)
• Idaliadoris tridactila (Ortea & Ballesteros, 1982)
• Knoutsodonta albonigra (Pruvot-Fol, 1951) accepted as Atalodoris albonigra (Pruvot-Fol, 1951) accepted as Atalodoris pusilla (Alder & Hancock, 1845)
• Knoutsodonta bouvieri (Vayssière, 1919) accepted as Atalodoris bouvieri (Vayssière, 1919) accepted as Idaliadoris bouvieri (Vayssière, 1919)
• Knoutsodonta cervinoi (Ortea & Urgorri, 1979) accepted as Atalodoris cervinoi (Ortea & Urgorri, 1979) accepted as Idaliadoris cervinoi (Ortea & Urgorri, 1979)
• Knoutsodonta depressa (Alder & Hancock, 1842) accepted as Atalodoris depressa (Alder & Hancock, 1842) accepted as Idaliadoris depressa (Alder & Hancock, 1842)
• Knoutsodonta inconspicua (Alder & Hancock, 1851) accepted as Atalodoris inconspicua (Alder & Hancock, 1851)
• Knoutsodonta neapolitana (Delle Chiaje, 1841) accepted as Atalodoris neapolitana (Delle Chiaje, 1841) accepted as Idaliadoris neapolitana (Delle Chiaje, 1841)
• Knoutsodonta oblonga (Alder & Hancock, 1845) accepted as Atalodoris oblonga (Alder & Hancock, 1845)
• Knoutsodonta pictoni Furfaro & Trainito, 2017 accepted as Atalodoris pictoni (Furfaro & Trainito, 2017)
• Knoutsodonta pusilla (Alder & Hancock, 1845) accepted as Atalodoris pusilla (Alder & Hancock, 1845)
• Knoutsodonta reticulata (Ortea, 1979) accepted as Atalodoris reticulata (Ortea, 1979)
• Knoutsodonta sparsa (Alder & Hancock, 1846) accepted as Atalodoris sparsa (Alder & Hancock, 1846)
• Knoutsodonta tridactila (Ortea & Ballesteros, 1982) accepted as Atalodoris tridactila (Ortea & Ballesteros, 1982) accepted as Idaliadoris tridactila (Ortea & Ballesteros, 1982)
• Lamellidoris albonigra Pruvot-Fol, 1951 accepted as Atalodoris albonigra (Pruvot-Fol, 1951) accepted as Atalodoris pusilla (Alder & Hancock, 1845)
• Lamellidoris aspera (Alder & Hancock, 1842) accepted as Onchidoris muricata (O. F. Müller, 1776)
• Lamellidoris bouvieri Vayssière, 1919 accepted as Idaliadoris bouvieri (Vayssière, 1919)
• Lamellidoris diaphana (Alder & Hancock, 1845) accepted as Onchidoris muricata (O. F. Müller, 1776)
• Lamellidoris fusca (O. F. Müller, 1776) accepted as Onchidoris bilamellata (Linnaeus, 1767)
• Lamellidoris grisea (A. A. Gould, 1870) accepted as Onchidoris grisea (A. A. Gould, 1870)
• Onchidoris albonigra (Pruvot-Fol, 1951) accepted as Atalodoris albonigra (Pruvot-Fol, 1951) accepted as Atalodoris pusilla (Alder & Hancock, 1845)
• Onchidoris aspera (Alder & Hancock, 1842) accepted as Onchidoris muricata (O. F. Müller, 1776)
• Onchidoris bilamellata (Linnaeus, 1767)
• Onchidoris bouvieri (Vayssière, 1919) accepted as Atalodoris bouvieri (Vayssière, 1919) accepted as Idaliadoris bouvieri (Vayssière, 1919)
• Onchidoris cervinoi Ortea & Urgorri, 1979 accepted as Idaliadoris cervinoi (Ortea & Urgorri, 1979)
• Onchidoris depressa (Alder & Hancock, 1842) accepted as Atalodoris depressa (Alder & Hancock, 1842) accepted as Idaliadoris depressa (Alder & Hancock, 1842)
• Onchidoris diademata (A. A. Gould, 1870) (uncertain > nomen dubium)
• Onchidoris fusca (O. F. Müller, 1776) accepted as Onchidoris bilamellata (Linnaeus, 1767)
• Onchidoris grisea (A. A. Gould, 1870) (uncertain > nomen dubium)
• Onchidoris inconspicua (Alder & Hancock, 1851) accepted as Atalodoris inconspicua (Alder & Hancock, 1851)
• Onchidoris leachii Blainville, 1816 accepted as Onchidoris bilamellata (Linnaeus, 1767)
• Onchidoris loveni (Alder & Hancock, 1862) accepted as Adalaria loveni (Alder & Hancock, 1862)
• Onchidoris luteocincta (M. Sars, 1870) accepted as Diaphorodoris luteocincta (M. Sars, 1870)
• Onchidoris muricata (O. F. Müller, 1776)
• Onchidoris neapolitana (Delle Chiaje, 1841) accepted as Atalodoris neapolitana (Delle Chiaje, 1841) accepted as Idaliadoris neapolitana (Delle Chiaje, 1841)
• Onchidoris oblonga (Alder & Hancock, 1845) accepted as Atalodoris oblonga (Alder & Hancock, 1845)
• Onchidoris perlucea Ortea & Moro, 2014 accepted as Idaliadoris perlucea (Ortea & Moro, 2014)
• Onchidoris proxima (Alder & Hancock, 1854) accepted as Adalaria proxima (Alder & Hancock, 1854)
• Onchidoris pusilla (Alder & Hancock, 1845) accepted as Knoutsodonta pusilla (Alder & Hancock, 1845) accepted as Atalodoris pusilla (Alder & Hancock, 1845)
• Onchidoris reticulata Ortea, 1979 accepted as Atalodoris reticulata (Ortea, 1979)
• Onchidoris sparsa (Alder & Hancock, 1846) accepted as Atalodoris sparsa (Alder & Hancock, 1846)
• Onchidoris tenella (A. A. Gould, 1870) (uncertain > nomen dubium)
• Onchidoris tridactila Ortea & Ballesteros, 1982 accepted as Idaliadoris tridactila (Ortea & Ballesteros, 1982)
• Villiersia scutigera A. d'Orbigny, 1837 (uncertain > nomen dubium)