Pacific lamprey
| Pacific lamprey | |
|---|---|
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Subphylum: | Vertebrata | 
| Infraphylum: | Agnatha | 
| Superclass: | Cyclostomi | 
| Class: | Petromyzontida | 
| Order: | Petromyzontiformes | 
| Family: | Petromyzontidae | 
| Genus: | Entosphenus | 
| Species: | E. tridentatus  | 
| Binomial name | |
| Entosphenus tridentatus (Richardson, 1836)  | |
| Synonyms | |
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The Pacific lamprey (Entosphenus tridentatus) is an anadromous parasitic lamprey from the Pacific Coast of North America and Asia in an area called the Pacific Rim. It is a member of the Petromyzontidae family. The Pacific lamprey is also known as the three-tooth lamprey and tridentate lamprey.