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Petromyzontiformes (Lampreys) >
Petromyzontidae (Northern lampreys) > Lampetrinae
Etymology: Lethenteron: Etymology not explained, perhaps lethalis (L.), lethal, or lethe (Gr.), forgetting or forgetfulness; enteron (Gr.) intestine, presumably referring to “degenerate and non-functional” intestine of adult L. appendix. (See ETYFish); kessleri: Patronym not identified but probably in honor of German-Russian zoologist Karl Fedorovich Kessler (1815-1881), who described Caspiomyzon wagneri in 1870. (See ETYFish).
Environment: milieu / climate zone / depth range / distribution range
Ecologia
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