• Plakina Schulze, 1880
• Plakina acantholopha Thomas, 1970 accepted as Placinolopha acantholopha (Thomas, 1970)
• Plakina anisoactina Lage, Gerovasileiou, Voultsiadou & Muricy, 2018
• Plakina anomala Lage, Gerovasileiou, Voultsiadou & Muricy, 2018
• Plakina antarctica Lendenfeld, 1907
• Plakina arletensis Ruiz, Muricy, Lage, Domingos, Chenesseau & Pérez, 2017
• Plakina atka Lehnert, Stone & Heimler, 2005
• Plakina australis (Gray, 1867)
• Plakina australis Hinde & Holmes, 1892 †
• Plakina bioxea Green & Bakus, 1994
• Plakina bowerbanki (Sarà, 1960)
• Plakina brachylopha Topsent, 1927
• Plakina cabofriense Muricy, Domingos, Lage, Lanna, Hardoim, Laport & Zilberberg, 2019 accepted as Plakina cabofriensis Muricy, Domingos, Lage, Lanna, Hardoim, Laport & Zilberberg, 2019
• Plakina cabofriensis Muricy, Domingos, Lage, Lanna, Hardoim, Laport & Zilberberg, 2019
• Plakina coerulea Cedro, Hajdu & Correia, 2013
• Plakina corticioides Vacelet, Vasseur & Lévi, 1976
• Plakina corticolopha Lévi & Lévi, 1983
• Plakina crypta Muricy, Boury-Esnault, Bézac & Vacelet, 1998
• Plakina cyanorosea Muricy, Domingos, Lage, Lanna, Hardoim, Laport & Zilberberg, 2019
• Plakina dilopha Schulze, 1880
• Plakina doudou Grenier, Ruiz, Lage & Pérez, 2020
• Plakina elisa (de Laubenfels, 1936)
• Plakina endoumensis Muricy, Boury-Esnault, Bézac & Vacelet, 1998
• Plakina finispinata Lage, Muricy, Ruiz & Pérez, 2018
• Plakina fragilis Desqueyroux-Faúndez & van Soest, 1997
• Plakina hellenica Lage, Gerovasileiou, Voultsiadou & Muricy, 2018
• Plakina jamaicensis Lehnert & van Soest, 1998
• Plakina jani Muricy, Boury-Esnault, Bézac & Vacelet, 1998
• Plakina kanaky Ruiz & Pérez, 2015
• Plakina lendenfeldi Van Soest & Hooper, 2020
• Plakina microlobata Desqueyroux-Faúndez & van Soest, 1997
• Plakina monolopha Schulze, 1880
• Plakina monolopha antarctica Lendenfeld, 1907 accepted as Plakina lendenfeldi Van Soest & Hooper, 2020
• Plakina monolopha eurasia Lendenfeld, 1907 accepted as Plakina monolopha Schulze, 1880
• Plakina muricyae Cruz-Barraza, Vega & Carballo, 2014
• Plakina nathaliae (Ereskovsky, Lavrov & Willenz, 2014)
• Plakina pacifica Desqueyroux-Faúndez & van Soest, 1997
• Plakina paradilopha Cruz-Barraza, Vega & Carballo, 2014
• Plakina reducta (Pulitzer-Finali, 1983)
• Plakina strongylata Lage, Araujo, Gerovasileiou & Muricy, 2018
• Plakina tanaga Lehnert, Stone & Heimler, 2005
• Plakina tetralopha (Hechtel, 1965)
• Plakina tetralopha Tanita & Hoshino, 1989 accepted as Plakina tetralophoides Muricy, Boury-Esnault, Bézac & Vacelet, 1998
• Plakina tetralophoides Muricy, Boury-Esnault, Bézac & Vacelet, 1998
• Plakina topsenti (Pouliquen, 1972)
• Plakina trilopha Schulze, 1880
• Plakina trilopha antarctica Lendenfeld, 1907 accepted as Plakina antarctica Lendenfeld, 1907
• Plakina trilopha mediterranea Lendenfeld, 1907 accepted as Plakina trilopha Schulze, 1880
• Plakina versatilis (Schmidt, 1880)
• Plakina weinbergi Muricy, Boury-Esnault, Bézac & Vacelet, 1998
• Plakinastrella Schulze, 1880
• Plakinastrella ceylonica (Dendy, 1905)
• Plakinastrella clathrata Kirkpatrick, 1900
• Plakinastrella clippertonensis van Soest, Kaiser & van Syoc, 2011
• Plakinastrella copiosa Schulze, 1880
• Plakinastrella globularis Domingos, Moraes & Muricy, 2013
• Plakinastrella intermedia Dendy, 1905 accepted as Penares intermedius (Dendy, 1905)
• Plakinastrella mammillaris Lendenfeld, 1907
• Plakinastrella microspiculifera Moraes & Muricy, 2003
• Plakinastrella minor (Dendy, 1916)
• Plakinastrella mixta Maldonado, 1992
• Plakinastrella nicoleae Lage, Muricy, Ruiz & Pérez, 2018
• Plakinastrella onkodes Uliczka, 1929
• Plakinastrella osculifera Lage, Muricy, Ruiz & Pérez, 2018
• Plakinastrella oxeata Topsent, 1904
• Plakinastrella polysclera Lévi & Lévi, 1989
• Plakinastrella pseudolopha Lage, Muricy, Ruiz & Pérez, 2018
• Plakinastrella schulzei Dendy, 1905 accepted as Penares schulzei (Dendy, 1905)
• Plakinastrella stinapa Van Soest, Meesters & Becking, 2014
• Plakinastrella trunculifera Topsent, 1927