Lethenteron appendix
| American brook lamprey | |
|---|---|
| American brook lamprey late stage transformer (ammocoete metamorphosing into the adult). | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Subphylum: | Vertebrata |
| Infraphylum: | Agnatha |
| Superclass: | Cyclostomi |
| Class: | Petromyzontida |
| Order: | Petromyzontiformes |
| Family: | Petromyzontidae |
| Genus: | Lethenteron |
| Species: | L. appendix |
| Binomial name | |
| Lethenteron appendix (DeKay, 1842) | |
| Synonyms | |
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Lethenteron appendix, the American brook lamprey, is a common non-parasitic lamprey in North America. In adults their disc-like mouths contain poorly developed teeth, useless for attaching to a host.