title: "Nj\u00fcgenuugen"
text: "Nj\u00fc\u00fcgenuugen (Petromyzontiformes) san en order faan diarten, diar fasker like, man jo hiar tu en aanj auerorder, a Cyclostomata (\"trinjm\u00fcsdiarten\"). Jo haa jo auer a leetst 500 miljuun juaren knaap feranert.\n\nFamilin an sk\u00f6\u00f6len \n Geotriidae\n Geotria\n \u2020 Mayomyzontidae\n \u2020 Mayomyzon\n Mordaciidae\n Mordacia\n Petromyzontidae\n Lampetrinae\n Entosphenus \u2013 Eudontomyzon \u2013 Lampetra \u2013 Lethenteron \u2013 Tetrapleurodon\n Petromyzontinae\n Caspiomyzon \u2013 Ichthyomyzon \u2013 Petromyzon\n\nLuke uk diar \n\nFasker"