Caspian lamprey (Caspiomyzon wagneri)
                    General data
- Main name: Caspian lamprey
 - Habitat: Anadromous
 
Classification
- Genus: Caspiomyzon - Caspiomyzon
 - Family: Petromyzontidae - Lampreys
 - Order: Petromyzontiformes - Lampreys
 - Class: Petromyzonti - Lampreys
 - Superclass: Agnatha - Jawless fishes