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Mordacia praecox Mordacia mordax Mordacia lapicida Geotria macrostoma Geotria australis Mesomyzon mengae Lampetra geminis Entosphenus similis Entosphenus minimus Entosphenus tridentatus Entosphenus macrostomus Entosphenus lethophagus Lethenteron Eudontomyzon morii Lampetra appendix Lethenteron camtschaticum Lethenteron reissneri Lethenteron kessleri Lampetra alaskensis Lampetra aepyptera Lampetra lusitanica Lampetra planeri Lampetra fluviatilis Lampetra auremensis Lampetra alavariensis Lampetra soljani Lethenteron zanandreai Lethenteron ninae Eudontomyzon lanceolata Eudontomyzon stankokaramani Eudontomyzon vladykovi Eudontomyzon mariae Eudontomyzon danfordi Lampetra richardsoni Lampetra ayresii Lampetra pacifica Entosphenus hubbsi Petromyzon marinus Ichthyomyzon unicuspis Ichthyomyzon fossor Ichthyomyzon gagei Ichthyomyzon castaneus Ichthyomyzon greeleyi Ichthyomyzon bdellium Eudontomyzon hellenicus Eudontomyzon graecus Caspiomyzon wagneri
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