Lethenteron
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''Lethenteron'' is a
genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...
of
lamprey Lampreys (sometimes inaccurately called lamprey eels) are a group of Agnatha, jawless fish comprising the order (biology), order Petromyzontiformes , sole order in the Class (biology), class Petromyzontida. The adult lamprey is characterize ...
in the
family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...
Petromyzontidae Petromyzontidae are a family of lampreys native to the Northern Hemisphere, comprising the vast majority of living lampreys. Petromyzontids have the highest number of chromosomes (164–174) among vertebrates. Genera * '' Caspiomyzon'' * '' En ...
.


Species

There are currently 7 recognized species in this genus: * '' Lethenteron alaskense'' Vladykov & Kott, 1978 (Alaskan brook lamprey) * '' Lethenteron appendix'' ( DeKay, 1842) (American brook lamprey) * '' Lethenteron camtschaticum'' ( Tilesius, 1811) (Arctic lamprey) (Japanese brook lamprey) * '' Lethenteron kessleri'' (Anikin, 1905) (Siberian brook lamprey) * '' Lethenteron mitsukurii'' (Hatta, 1901) * '' Lethenteron ninae'' Naseka, Tuniyev &
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, 2009
(Western Transcaucasian lamprey) * '' Lethenteron reissneri'' ( Dybowski, 1869) (Far Eastern brook lamprey)


References

Jawless fish genera Taxa named by Carl Leavitt Hubbs Taxonomy articles created by Polbot {{jawless-fish-stub