Acanthocotyle elegans Monticelli, 1890 (additional source)
Acanthocotyle lobianchi Monticelli, 1888 (additional source)
Acanthocotyle oligoterus Monticelli, 1899 accepted as Acanthocotyle lobianchi Monticelli, 1888 (additional source)
Amphibdella paronaperugiae Llewellyn, 1960 (additional source)
Amphibdella torpedinis Chatin, 1874 (additional source)
Amphibdelloides maccallumi (Johnston & Tiegs, 1922) Price, 1937 (additional source)
Amphibdelloides vallei Llewellyn, 1960 (additional source)
Ancyrocotyle vallei (Parona & Perugia, 1895) Parona & Monticelli, 1903 (additional source)
Anoplodiscus richiardii Sonsino, 1890 (additional source)
Anthocotyle merluccii Van Beneden & Hesse, 1863 (additional source)
Aspinatrium spari (Yamaguti, 1937) Yamaguti, 1963 (additional source)
Aspinatrium trachini (Parona & Perugia, 1889) Yamaguti, 1963 accepted as Bradyhaptorus trachini (Parona & Perugia, 1890) Unnithan, 1971 accepted as Pauciconfibula trachini (Parona & Perugia, 1889) Dilllon & Hargis, 1965 (additional source)
Atrispinum labracis (Van Beneden & Hesse, 1863) Winch, 1983 accepted as Serranicotyle labracis (Van Beneden & Hesse, 1863) Maillard, Euzet & Silan, 1988 (additional source)
Atrispinum mormyri (Lorenz, 1878) Orecchia & Paggi, 1983 accepted as Pagellicotyle mormyri (Lorenz, 1878) Mamev, 1984 accepted as Bychowskicotyla mormyri (Lorenz, 1878) Unnithan, 1971 (additional source)
Atrispinum salpae (Parona & Perugia, 1890) Maillard & Noisy, 1979 (additional source)
Atrispinum sargi (Parona & Perugia, 1890) Euzet & Maillard, 1974 (additional source)
Atrispinum seminalis (Euzet & Maillard, 1973) (additional source)
Axine belones Abildgaard, 1794 (additional source)
Benedenia monticellii (Parona & Perugia, 1895) Johnston, 1929 (additional source)
Benedenia sciaenae (Van Beneden, 1852) Odhner, 1905 (additional source)
Bivagina alcedinis (Parona & Perugia, 1889) Yamaguti, 1963 (additional source)
Calceostoma calceostoma (Wagener, 1857) (additional source)
Calceostomella inermis (Parona & Perugia, 1889) Palombi, 1943 (additional source)
Calicotyle kroyeri Diesing, 1850 (additional source)
Calicotyle stossichi Braun, 1899 (additional source)
Capsala martinieri Bosc, 1811 (additional source)
Capsala onchidiocotyle (Setti, 1899) Johnston, 1929 (additional source)
Capsala pelamydis (Taschenberg, 1878) Johnston, 1929 (additional source)
Capsaloides perugiai (Setti, 1898) Price, 1938 (additional source)
Chauhanea mediterranea Euzet & Trilles, 1960 accepted as Cotyloatlantica mediterranea (Euzet & Trilles, 1960) Bravo-Hollis, 1984 (additional source)
Chimaericola leptogaster (Leuckart, 1830) Brinkmann, 1942 (additional source)
Cyclocotyla bellones Otto, 1823 (additional source)
Cycloplectanum beverleyburtonae Oliver, 1984 accepted as Pseudorhabdosynochus beverleyburtonae (Oliver, 1984) Kritsky & Beverley-Burton, 1986 (additional source)
Cycloplectanum echinophallus (Euzet & Oliver, 1965) Oliver, 1968 accepted as Echinoplectanum echinophallus (Euzet & Oliver, 1965) Justine & Euzet, 2006 (additional source)
Cycloplectanum riouxi Oliver, 1986 accepted as Pseudorhabdosynochus riouxi (Oliver, 1986) Santos, Buchmann & Gibson, 2000 (additional source)
Diclidophora bellones (Otto, 1823) accepted as Cyclocotyla bellones Otto, 1823 (additional source)
Diclidophora minor (Olsson, 1876) Sproston, 1946 (additional source)
Diclidophora phycidis (Parona & Perugia, 1889) Sproston, 1946 (additional source)
Diclidophoropsis taschenbergii (Parona & Perugia, 1899) Palombi, 1943 (additional source)
Diplectanum [sensu lato] grassei Oliver, 1974 (additional source)
Diplectanum aculeatum Parona & Perugia, 1889 (additional source)
Diplectanum aequans (Wagener, 1857) Diesing, 1858 (additional source)
Diplectanum sciaenae Van Beneden & Hesse, 1863 (additional source)
Diplectanum simile Bychowsky, 1957 (additional source)
Encotyllabe nordmanni Diesing, 1850 (additional source)
Encotyllabe paronae Monticelli, 1907 (additional source)
Encotyllabe vallei Monticelli, 1907 (additional source)
Enoplocotyle minima Tagliani, 1912 (additional source)
Ergenstrema labrosi Anderson, 1981 (additional source)
Ergenstrema mugilis Paperna, 1964 (additional source)
Erpocotyle catenulata (Guberlet, 1933) Yamaguti, 1963 (additional source)
Erpocotyle grisea (Cerfontaine, 1899) Palombi, 1949 accepted as Protocotyle grisea (Cerfontaine, 1899) Euzet & Maillard, 1974 (additional source)
Erpocotyle laevis Van Beneden & Hesse, 1863 (additional source)
Grubea cochlear Diesing, 1858 (additional source)
Gyrodactylus anguillae Ergens, 1960 (additional source)
Gyrodactylus arcuatus Bychowsky, 1933 (additional source)
Gyrodactylus branchialis Huyse, Malmberg & Volckaert, 2004 (additional source)
Gyrodactylus ostendicus Huyse & Malmberg, 2004 (additional source)
Heterocotyle pastinacae Scott, 1904 (additional source)
Hexabothrium appendiculatum (Kuhn, 1829) von Nordmann, 1840 (additional source)
Hexabothrium canicula (Cerfontaine, 1899) Price, 1942 (additional source)
Hexostoma auxisi Palombi, 1943 accepted as Hexostoma thynni (Delaroche, 1811) Rafinesque, 1815 (additional source)
Hexostoma thynni (Delaroche, 1811) Rafinesque, 1815 (additional source)
Lamellodiscus echeneis (Wagener, 1857) (basis of record)
Lamellodiscus elegans Bychowsky, 1957 (additional source)
Lamellodiscus ergensi Euzet & Oliver, 1966 (additional source)
Lamellodiscus erythrini Euzet & Oliver, 1966 (additional source)
Lamellodiscus fraternus Bychowsky, 1957 (additional source)
Lamellodiscus hilii Euzet, 1984 (additional source)
Lamellodiscus ignoratus Palombi, 1943 (additional source)
Lamellodiscus obeliae Oliver, 1973 accepted as Lamellodiscus virgula Euzet & Oliver, 1967 (additional source)
Lamellodiscus virgula Euzet & Oliver, 1967 (additional source)
Ligophorus acuminatus Euzet & Suriano, 1977 (additional source)
Ligophorus angustus Euzet & Suriano, 1977 (additional source)
Ligophorus chabaudi Euzet & Suriano, 1977 (additional source)
Ligophorus confusus Euzet & Suriano, 1977 (additional source)
Ligophorus heteronchus Euzet & Suriano, 1977 (additional source)
Ligophorus imitans Euzet & Suriano, 1977 (additional source)
Ligophorus macrocolpos Euzet & Suriano, 1977 (additional source)
Ligophorus minimus Euzet & Suriano, 1977 (additional source)
Ligophorus mugilinus (Hargis, 1955) Euzet & Suriano, 1977 (additional source)
Ligophorus parvicirrus Euzet & Sanfilippo, 1983 (additional source)
Megalocotyle hexacantha (Parona & Perugia, 1889) Price, 1939 (additional source)
Megalocotyle zschokkei (Mola, 1912) Price, 1939 (additional source)
Metamicrocotyla cephalus (Azim, 1939) Hargis, 1954 (additional source)
Microcotyle acanthurum Parona & Perugia, 1896 accepted as Gotocotyla acanthura (Parona & Perugia, 1896) Meserve, 1938 (additional source)
Microcotyle canthari Van Beneden & Hesse, 1863 accepted as Diplasiocotyle cantheri (Van Beneden & Hesse, 1863) Yamaguti, 1963 accepted as Diplostamenides canthari (Van Beneden & Hesse, 1863) Unnithan, 1971 accepted as Neobivagina canthari (Van Beneden & Hesse, 1863) Dillon & Hargls, 1965 (additional source)
Microcotyle lichiae Ariola, 1899 (additional source)
Microcotyle sebastisci Yamaguti, 1958 accepted as Microcotyle caudata Goto, 1894 (additional source)
Monocotyle myliobatis Taschenberg, 1878 (additional source)
Neoentobdella diadema (Monticelli, 1902) Kearn & Whittington, 2005 (additional source)
Neohexostoma thunninae (Parona & Perugia, 1889) Price, 1961 (additional source)
Octolabea turchinii Euzet & Trilles, 1961 (additional source)
Pagellicotyle mormyri (Lorenz, 1878) Mamev, 1984 accepted as Bychowskicotyla mormyri (Lorenz, 1878) Unnithan, 1971 (additional source)
Paradiplectanotrema trachuri (Kovaleva, 1970) Gerasev, Gayevskaya & Kovaleva, 1987 (additional source)
Plectanocotyle gurnardi (Van Beneden & Hesse, 1863) Llewellyn, 1941 (additional source)
Polylabris tubicirrus (Paperna & Kohn, 1964) Mamaev & Parukhin, 1976 (additional source)
Protocotyle grisea (Cerfontaine, 1899) Euzet & Maillard, 1974 (additional source)
Protolamellodiscus serranelli (Euzet & Oliver, 1965) Oliver, 1969 (additional source)
Pseudanthocotyloides heterocotyle (Van Beneden, 1871) Euzet & Prost, 1969 (additional source)