Northern brook lamprey
| Northern brook lamprey | |
|---|---|
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Subphylum: | Vertebrata |
| Infraphylum: | Agnatha |
| Superclass: | Cyclostomi |
| Class: | Petromyzontida |
| Order: | Petromyzontiformes |
| Family: | Petromyzontidae |
| Genus: | Ichthyomyzon |
| Species: | I. fossor |
| Binomial name | |
| Ichthyomyzon fossor | |
| Synonyms | |
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The northern brook lamprey (Ichthyomyzon fossor) is a freshwater fish in the family Petromyzontidae. It is closely related to the silver lamprey (I. unicuspis) and may represent an ecotype of a single species with I. unicuspis.