Acanthodoris falklandica Eliot, 1907 (additional source)
Aeolidia collaris Odhner, 1922 (basis of record)
Ancula fuegiensis Odhner, 1926 (basis of record)
Armina cuvierii (A. d'Orbigny, 1837) (basis of record)
Berghia rissodominguezi Muniain & Ortea, 1999 (additional source)
Berthella patagonica (A. d'Orbigny, 1835) (basis of record)
Cadlina magellanica Odhner, 1926 (additional source)
Cadlina sparsa (Odhner, 1922) (basis of record)
Corambe lucea Er. Marcus, 1959 (basis of record)
Cuthona georgiana (Pfeffer, 1886) (basis of record)
Cuthona odhneri Er. Marcus, 1959 (basis of record)
Cuthona pusilla (Bergh, 1898) (basis of record)
Cuthona valentini (Eliot, 1907) (basis of record)
Diaulula hispida (A. d'Orbigny, 1834) (basis of record)
Diaulula punctuolata (A. d'Orbigny, 1836) (basis of record)
Diaulula variolata (A. d'Orbigny, 1836) (new combination reference)
Doto uva Er. Marcus, 1955 (basis of record)
Eubranchus falklandicus (Eliot, 1907) (basis of record)
Eubranchus fuegiensis Odhner, 1926 (basis of record)
Fiona pinnata (Eschscholtz, 1831) (additional source)
Gargamella immaculata Bergh, 1894 (basis of record)
Geitodoris patagonica Odhner, 1926 (basis of record)
Hancockia schoeferti Schrödl, 1999 (additional source)
Holoplocamus papposus Odhner, 1926 (basis of record)
Janolus chilensis M. A. Fischer, Cervera & Ortea, 1997 (basis of record)
Janolus rebeccae Schrödl, 1996 (basis of record)
Kaloplocamus maculatus (Bergh, 1898) (basis of record)
Marionia cucullata (Couthouy, 1852) (basis of record)
Okenia angelensis Lance, 1966 accepted as Bermudella angelensis (Lance, 1966) (basis of record)
Okenia luna Millen, Schrödl, Vargas & Indacochea, 1994 (basis of record)
Phidiana lottini (Lesson, 1831) (basis of record)
Phidiana patagonica (A. d'Orbigny, 1836) (basis of record)
Polycera alabe Collier & Farmer, 1964 (additional source)
Polycera marplatensis Franceschi, 1928 (basis of record)
Polycera priva Er. Marcus, 1959 (basis of record)
Rostanga pulchra MacFarland, 1905 (basis of record)
Thecacera darwini Pruvot-Fol, 1950 (basis of record)
Tritonia antarctica Pfeffer, 1886 accepted as Myrella antarctica (Pfeffer, 1886) (source of synonymy)
Tritonia challengeriana Bergh, 1884 accepted as Myrella challengeriana (Bergh, 1884) (additional source)
Tritonia odhneri Er. Marcus, 1959 (basis of record)
Tritonia vorax (Odhner, 1926) accepted as Myrella vorax (Odhner, 1926) (additional source)