Tambja abdere M. Farmer, 1978
Tambja abdere fusca M. Farmer, 1978
Polycera abei (K. Baba, 1960)
Kaloplocamus acutus K. Baba, 1949
Tambja affinis (C.N.E. Eliot, 1904)
Polycera alabe A.W. Collier & M. Farmer,1964
Kankelibranchus alhenae J.A. Ortea, J. Espinosa& L. Moro, 2009
Tambja amakusana K. Baba, 1987
Palio amakusana (K. Baba, 1960)
Plocamopherus amboinensis (L.S.R. Bergh, 1890)
Tambja amitina (L.S.R. Bergh, 1905)
Polycera anae M. Pola, M. Sánchez-Benítez& B. Ramiro, 2014
Tambja anayana J.A. Ortea, 1989
Limacia annulata Y. Vallès, Á. Valdés& J.A. Ortea, 2000
Limacia antofagastensis Uribe, Sepúlveda, Goddard& Valdés, 2017
Plocamopherus apheles (K.H. Barnard, 1927)
Roboastra arika R.F. Burn, 1967
Kaloplocamus atlanticus (L.S.R. Bergh, 1892)
Polycera atra F.M. MacFarland, 1905
Polycera aurantiomarginata J.C. García-Gómez & Bobo,1984
Nembrotha aurea M. Pola, J.L. Cervera& T.M. Gosliner, 2008
Polycera aurisula Er. Marcus, 1957
Tambja blacki M. Pola, J.L. Cervera& T.M. Gosliner, 2006
Joubiniopsis bouraili J.J. Risbec, 1928
Thecacera boyla R.C. Willan, 1989
Tambja brasiliensis M. Pola, V. Padula, T.M. Gosliner& J.L. Cervera, 2014
Roboastra caboverdensis M. Pola, J.L. Cervera& T.M. Gosliner, 2003
Nembrotha caerulea C.N.E. Eliot, 1904
Tambja caeruleocirrus Willan & Chang, 2017
Tambja capensis (L.S.R. Bergh, 1907)
Polycera capensis J.R.C. Quoy & J.P. Gaimard,1824
Triopha catalinae (J.G. Cooper, 1863)
Tambja ceutae J.C. García-Gómez& J.A. Ortea, 1988
Plocamopherus ceylonicus (E.F. Kelaart, 1858)
Nembrotha chamberlaini T.M. Gosliner& D.W. Behrens, 1997