noun
Lethenteron (genus of lampreys)
Taxonomic term used in biology; refers to a genus of lampreys in the family Petromyzontidae.
カワヤツメ属には、日本に生息するカワヤツメなどが含まれる。
The genus Lethenteron includes species such as the Japanese lamprey (Lethenteron japonicum) found in Japan.