Polycera hummi R.T. Abbott, 1952
Limacia iberica G.M. Caballer, Almón& J. Pérez, 2016
Plocamopherus imperialis (G.F. Angas, 1864)
Kankelibranchus incognitus J.A. Ortea, J. Espinosa& G.M. Caballer, 2005
Plocamopherus indicus (L.S.R. Bergh, 1890)
Plocamopherus insignis (E.A. Smith, 1884)
Polycera janjukia R.F. Burn, 1962
Limacia janssi (H.W. Bertsch& A. Ferreira, 1974)
Polycera japonica K. Baba, 1949
Polycera kaiserae A. Hermosillo & Á. Valdés,2007
Tambja kava M. Pola, V. Padula, T.M. Gosliner& J.L. Cervera, 2014
Nembrotha kubaryana L.S.R. Bergh, 1877
Plocamopherus lemur Y. Vallès & T.M. Gosliner,2006
Roboastra leonis M. Pola, J.L. Cervera& T.M. Gosliner, 2005
Plocamopherus levivarius (F.D. Abraham, 1876)
Tambja limaciformis (C.N.E. Eliot, 1908)
Nembrotha lineolata L.S.R. Bergh, 1905
Nembrotha livingstonei J.K. Allan, 1933
Limacia longicornis L.S.R. Bergh, 1905
Plocamopherus lucayensis J.C. Hamann & M. Farmer,1988
Crimora lutea K. Baba, 1949
Roboastra luteolineata (K. Baba, 1936)
Plocamopherus maculapodium Y. Vallès & T.M. Gosliner,2006
Triopha maculata F.M. MacFarland, 1905
Kaloplocamus maculatus (L.S.R. Bergh, 1898)
Plocamopherus maculatus (W.H. Pease, 1860)
Polycera maddoxi M.C. Miller, 2005
Plocamopherus maderae (R.T. Lowe, 1842)
Polycera manzanilloensis J.A. Ortea, J. Espinosa& Y. Camacho-García, 1999
Tambja marbellensis J. Schick & J.L. Cervera,1998
Plocamopherus margaretae Y. Vallès & T.M. Gosliner,2006
Polycera marplatensis G.J. Franceschi, 1928
Kaloplocamus maru Y. Vallès & T.M. Gosliner,2006
Limacia mcdonaldi Uribe, Sepúlveda, Goddard& Valdés, 2017
Tambja mediterranea M. Domínguez, M. Pola& M. Ramón, 2015