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ytroctidaePlecoglossidaePlectrogeniidaePlesiobatidaePlesiopidaePleuronectidaePlotosidaePoeciliidaePolycentridaePolymixiidaePolynemidaePolyodontidaePolyprionidaePolypteridaePomacanthidaePomacentridaePomatomidaePotamotrygonidaePriacanthidaePristidaePristigasteridaePristiophoridaePristolepididaeProchilodontidaeProfundulidaeProscylliidaeProtanguillidaeProtopteridaePsettodidaePseudaphritidaePseudocarchariidaePseudochromidaePseudomugilidaePseudopimelodidaePseudotriakidaePseudotrichonotidaePsilorhynchidaePsychrolutidaePtilichthyidaeRachycentridaeRadiicephalidaeRajidaeRegalecidaeRetropinnidaeRhamphichthyidaeRhamphocottidaeRhincodontidaeRhinidaeRhinobatidaeRhinochimaeridaeRhyacichthyidaeRivulidaeRondeletiidaeSaccopharyngidaeSalangidaeSalmonidaeSamaridaeScaridaeScatophagidaeSchilbeidaeSchindleriidaeSciaenidaeScoloplacidaeScomberesocidaeScombridaeScombrolabracidaeScombropidaeScopelarchidaeScophthalmidaeScorpaenidaeScyliorhinidaeScytalinidaeSebastidaeSerpenticobitidaeSerranidaeSerrasalmidaeSerrivomeridaeSetarchidaeSiganidaeSillaginidaeSiluridaeSisoridaeSoleidaeSolenostomidaeSomniosidaeSparidaeSphyraenidaeSphyrnidaeSqualidaeSquatinidaeStegostomatidaeStephanoberycidaeSternoptychidaeSternopygidaeStichaeidaeStomiidaeStromateidaeStylephoridaeSymphysanodontidaeSynanceiidaeSynaphobranchidaeSynbranchidaeSyngnathidaeSynodontidaeTelmatherinidaeTerapontidaeTetrabrachiidaeTetragonuridaeTetraodontidaeTetrarogidaeThalasseleotrididaeThaumatichthyidaeTorpedinidaeToxotidaeTrachichthyidaeTrachinidaeTrachipteridaeTriacanthidaeTriacanthodidaeTriakidaeTrichiuridaeTrichodontidaeTrichomycteridaeTrichonotidaeTriglidaeTriodontidaeTriportheidaeTripterygiidaeUmbridaeUranoscopidaeUrolophidaeUrotrygonidaeVaillantellidaeValenciidaeVeliferidaeXenisthmidaeXiphiidaeZanclidaeZaproridaeZeidaeZenarchopteridaeZeniontidaeZoarcidae Subfamily: LampetrinaePetromyzontinae Select Genus: CaspiomyzonEntosphenusEudontomyzonIchthyomyzonLampetraLethenteronPetromyzonTetrapleurodonCaspiomyzon graecus Europe 18.9 TL 2010Caspiomyzon hellenicus Greek brook lamprey Europe 18.9 TL 1982Caspiomyzon wagneri Caspian lamprey Eurasia 55.3 TL 1870Entosphenus folletti Northern California brook lamprey North America 30 TL 1976Entosphenus lethophagus Pit-Klamath brook lamprey North America 22 TL 1971Entosphenus macrostomus Vancouver lamprey North America 27.3 TL 1982Entosphenus minimus Miller Lake lamprey North America 14.5 TL 1973Entosphenus similis Klamath river lamprey North America 27 TL 1979Entosphenus tridentatus Pacific lamprey North Pacific 76 TL 1836Eudontomyzon danfordi Carpathian lamprey Europe 30 TL 1911Eudontomyzon mariae Ukrainian brook lamprey Europe 22.2 TL 1931Eudontomyzon morii Korean lamprey Asia 29 TL 1931Eudontomyzon stankokaramani Drin brook lamprey Europe 20 TL 1974Eudontomyzon vladykovi Danubian brook lamprey Europe 21.2 TL 1959Ichthyomyzon bdellium Ohio lamprey North America 30.5 TL 1885Ichthyomyzon castaneus Chestnut lamprey North America 38 TL 1858Ichthyomyzon fossor Northern brook lamprey North America 17 TL 1916Ichthyomyzon gagei Southern brook lamprey North America 17 TL 1937Ichthyomyzon greeleyi Mountain brook lamprey North America 20 TL 1937Ichthyomyzon unicuspis Silver lamprey North America 39.2 TL 1937Lampetra aepyptera Least brook lamprey North America 18 TL 1860Lampetra alavariensis Europe 12.8 TL 2013Lampetra auremensis Europe 12.1 TL 2013Lampetra ayresii Western river lamprey Eastern Pacific 31.1 TL 1870Lampetra fluviatilis River lamprey Europe 50 TL 1758Lampetra hubbsi Kern brook lamprey North America 14.2 TL 1976Lampetra lanceolata Turkish brook lamprey Asia 14.1 TL 1972Lampetra lusitanica Europe 13.3 TL 2013Lampetra pacifica Pacific brook lamprey North America 17.5 TL 1973Lampetra planeri European brook lamprey Europe 20.5 TL 1784Lampetra richardsoni Western brook lamprey North America 17.3 TL 1965Lampetra soljani Europe 12.6 TL 2017Lethenteron alaskense Alaskan brook lamprey North America 18.8 TL 1978Lethenteron appendix American brook lamprey North America 35 TL 1842Lethenteron camtschaticum Arctic lamprey Arctic 63 TL 1811Lethenteron kessleri Siberian brook lamprey Asia 26 TL 1905Lethenteron matsubarai Asia 17.4 TL 1978Lethenteron ninae Western Transcaucasian lamprey Eurasia 16.6 TL 2009Lethenteron reissneri Far Eastern brook lamprey Artic and Pacific Ocean d 26 TL 1869Lethenteron zanandreai Po brook lamprey Europe 26 TL 1955Petromyzon marinus Sea lamprey Northeast Atlantic 120 TL 1758Tetrapleurodon geminis Mexican brook lamprey North America 14.3 TL 1964Tetrapleurodon spadiceus Mexican lamprey North America 31 TL 1887 