管口目

管口目（学名：Siphonostomatoida）是六幼生纲的一个目，包含约75%的寄生于鱼类的水蚤。其成功归因于具有管状颌和“前缘丝”，帮助它们附着在寄主上。大部分是海洋生物，但也有少数生活在淡水中。

管口水蚤目的特征包括3列口纤毛从左侧的动体列长出，由数对极性相反的基体构成；体背腹扁平或侧扁。腹面纤毛带常为触动性的。许多种类在近后端有腺体样的粘着胞器。

ArchidactylinidaeArtotrogidaeAsterocheridaeBrychiopontiidae鱼虱科 CaligidaeCalverocheridaeCancerillidaeCodobidaeCoralliomyzontidaeDichelesthiidaeDichelinidaeDinopontiidaeDirivultidae对鱼虱科 DissonidaeDyspontiidaeEcbathyriontidaeEntomolepididaeEntomolepididaeEudactylinidae哈鱼虱科 HatschekiidaeHyponeoidaeKroyeriidaeLernaeopodidae人形鱼虱科 LernanthropidaeLernanthropodidaeMegapontiidaeMicropontiidaeMyzopontiidaeNanaspididaeNicothoidaeArhizorhina Bamber & Boxshall, 2006AspicoeciaAspidoecia Giard & Bonnier, 1889Cephalorhiza Boxshall & Harrison, 1988Choniomyzon Pillai, 1962Choniorhiza Boxshall & Lincoln, 1983Choniosphaera Connolly, 1929Choniostoma Hansen, 1886Diexanthema Ritchie, 1975Hadrothoe Humes, 1975Hansenulus Heron & Damkaer, 1986Homoeoscelis Hansen, 1897Homoeoscelis elongata Boxshall & Defaye, 1995Homoeoscelis frigida Hansen, 1923Homoeoscelis longipes Hansen, 1923Homoeoscelis mediterranea Hansen, 1897Homoeoscelis meridionalis Alberico & Roccatagliata, 2010Homoeoscelis minuta Hansen, 1897Homoeoscelis sedentaria (Bonnier, 1896)Mysidion Hansen, 1897Neomysidion Ohtsuka, Boxshall & Harada, 2005Nicorhiza Lincoln & Boxshall, 1983Nicothoe Audouin & Milne Edwards H., 1826Paranicothoe Carton, 1970Rhizorhina Hansen, 1892Sphaeronella Salensky, 1868Sphaeronelloides Bradford, 1975Sphaeronellopsis Hansen, 1904Stenothocheres Hansen, 1897Vunicothoe Boyko, 2009鱼虱科 PandaridaePennellidaeAllotrifur Yamaguti, 1963Cardiodectes Wilson C.B., 1917Creopelates Shiino, 1958Exopenna Boxshall, 1986Haemobaphes Steenstrup & Lütken, 1861Impexus Kabata, 1972Lernaeenicus Lesueur, 1824Lernaeeniscus Wilson, 1932Lernaeocera Blainville, 1822Lernaeolophus Heller, 1865Metapeniculus Castro-Romero & Baeza-Kuroki, 1985Nagasawanus Uyeno, 2015Ophiolernaea Shiino, 1958Parinia Kazachenko & Avdeev, 1977Peniculisa Wilson C.B., 1917Peniculus von Nordmann, 1832Pennella Oken, 1815Peroderma Heller, 1865Phrixocephalus Wilson C.B., 1908Pontopsyllus Scott T., 1894Propeniculus Castro Romero, 2014Protosarcotretes Ohtsuka, Lindsay & Izawa, 2018Pseudopeniculus Castro Romero, 2014Pseudulus von Nordmann, 1864Sarcotretes Jungersen, 1911Serpentisaccus Blasiola, 1979Trifur Wilson C.B., 1917PontoeciellidaePseudocycnidaePseudohatschekiidaeRataniidaeSamarusidaeScottomyzontidaeSphyriidaeSponginticolidaeSpongiocnizontidaeStellicomitidaeTanypleuridaeTrebiidae

Grandiungus Pearse, 1952Hessia Beneden, 1870Hyperoncus Hesse, 1867Lobstostoma Kritscher, 1974Pachynesthus Hesse, 1878Polycliniophilus Hesse, 1864Thanatodectes Leigh-Sharpe, 1934