Bdelloura parasitica Leidy, 1851 accepted as Bdelloura candida (Girard, 1850) (source of synonymy)
Cercyra dioica (Claparède, 1863) accepted as Sabussowia dioica (Claparède, 1863) (source of synonymy)
Cercyra papillosa Uljanin, 1870 accepted as Cercyra hastata Schmidt, 1861 (source of synonymy)
Cercyra verrucosa Du Plessis, 1907 accepted as Cercyra hastata Schmidt, 1861 (source of synonymy)
Cercyroidea Böhmig, 1906 (original description)
Fovia lapidaria Mereschkowsky, 1878 (status source)
Fovia warrenii (Girard, 1850) Stimpson, 1857 accepted as Uteriporus vulgaris Bergendal, 1890 (source of synonymy)
Gunda graffi Bohmig, 1893 accepted as Procerodes littoralis (Strøm, 1768) (source of synonymy)
Gunda segmentata Lang, 1881 accepted as Procerodes lobatus (Schmidt, 1862) (source of synonymy)
Gunda segmentatoides Bergendal, 1899 accepted as Procerodes variabilis (Bohmig, 1902) (source of synonymy)
Gunda ulvae Ørsted, 1843 accepted as Procerodes littoralis (Strøm, 1768) (source of synonymy)
Miava ernesti Hyman, 1958 accepted as Synsiphonium ernesti (Hyman, 1958) (source of synonymy)
Micropharynx murmanica Awerinzeir, 1925 accepted as Micropharynx parasitica Jägerskiöld, 1896 (source of synonymy)
Palombiella macquari Nurse, 1964 accepted as Synsiphonium ernesti (Hyman, 1958) (source of synonymy)
Pentacoelum caspium Beklemischev, 1954 accepted as Pentacoelum fucoideum Westblad, 1935 (source of synonymy)
Planaria affinis Ørsted, 1843 accepted as Foviella affinis (Ørsted, 1843) (source of synonymy)
Planaria amara Fox, 1927 accepted as Uteriporus vulgaris Bergendal, 1890 (source of synonymy)
Planaria cornuta Müller, 1777 accepted as Procerodes littoralis (Strøm, 1768) (source of synonymy)
Planaria frequens Leidy, 1855 accepted as Procerodes littoralis (Strøm, 1768) (source of synonymy)
Planaria limuli Graff, 1879 accepted as Bdelloura candida (Girard, 1850) (source of synonymy)
Planaria ulvae Ørsted, 1888 accepted as Procerodes littoralis (Strøm, 1768) (source of synonymy)
Planaria ulvae Uljanin, 1870 accepted as Procerodes lobatus (Schmidt, 1862) (source of synonymy)
Procerodes gerlachei Bohmig, 1907 accepted as Obrimoposthia wandeli (Hallez, 1906) (source of synonymy)
Procerodes grisea Verril, 1873 accepted as Foviella affinis (Ørsted, 1843) (source of synonymy)
Procerodes ireneae Hartog, 1968 accepted as Procerodes plebeius (Schmidt, 1861) (source of synonymy)
Procerodes jaqueti Bohmig, 1906 accepted as Procerodes plebeius (Schmidt, 1861) (source of synonymy)
Procerodes littoralis Van Beneden, 1860 accepted as Foviella affinis (Ørsted, 1843) (source of synonymy)
Procerodes sameha Marcus & Marcus, 1959 accepted as Procerodes dahli Marcus & Marcus, 1959 (source of synonymy)
Procerodes sanderi Hauser, 1987 accepted as Obrimoposthia wandeli (Hallez, 1906) (source of synonymy)
Procerodes segmentata (Lang, 1881) accepted as Procerodes lobatus (Schmidt, 1862) (source of synonymy)
Procerodes segmentatoides (Bergendal, 1899) accepted as Procerodes variabilis (Bohmig, 1902) (source of synonymy)
Procerodes trigonocephala Ijima & Kaburaki, 1916 accepted as Paucumara trigonocephala (Ijima & Kaburaki, 1916) (source of synonymy)
Procerodes ulvae (Ørsted, 1843) accepted as Procerodes littoralis (Strøm, 1768) (source of synonymy)
Procerodes warreni (Girard, 1850) accepted as Uteriporus vulgaris Bergendal, 1890 (source of synonymy)
Stummeria trigonocephala Ijima & Kaburaki, 1916 accepted as Paucumara trigonocephala (Ijima & Kaburaki, 1916) (source of synonymy)
Synhaga auriculata Czerniavsky, 1881 accepted as Procerodes lobatus (Schmidt, 1862) (source of synonymy)
Synsiphonium stephensoni Palombi, 1938 accepted as Palombiella stephensoni (Palombi, 1938) (source of synonymy)
Typhlolepta opaca Schmarda, 1859 accepted as Palombiella stephensoni (Palombi, 1938) (source of synonymy)

Black Sea for Cercyra hastata Schmidt, 1861 
Black Sea for Procerodes plebeius (Schmidt, 1861) 
Canada for Foviella affinis (Ørsted, 1843) 
English Channel for Procerodes plebeius (Schmidt, 1861) 
Georgian Exclusive Economic Zone for Procerodes lobatus (Schmidt, 1862) 
Maine for Foviella affinis (Ørsted, 1843) 
Maine for Foviella affinis (Ørsted, 1843) 
Maine for Foviella affinis (Ørsted, 1843) 
Mediterranean Sea for Cercyra hastata Schmidt, 1861 
Mediterranean Sea for Procerodes plebeius (Schmidt, 1861) 
Spain for Pentacoelum hispaniensis Sluys, 1989 
Ukrainian Exclusive Economic Zone for Procerodes lobatus (Schmidt, 1862) 
Ukrainian Exclusive Economic Zone for Procerodes lobatus (Schmidt, 1862)