Genus of lampreys
Caspiomyzon is a genus of lamprey in the family Petromyzontidae. They are native to Eastern Europe and parts of Western and Central Asia. Two of the three species in the genus are endemic to Greece.
Taxonomy.
Species.
There are currently three recognized species in this genus:
This was formerly considered a monotypic genus containing only "C. wagneri", but phylogenetic studies suggest that "hellenicus" and "graecus", formerly placed in "Eudontomyzon", also belong to this genus.
Evolution.
Phylogenetic studies indicate that they are the most basal members of the family Petromyzontidae, and their lineage diverged from the other genera in the family ("Petromyzon" and "Ichthyomyzon") in the Late Cretaceous. The "wagneri" lineage diverged from the "graecus"+"hellenicus" lineage during the Eocene, although both Greek species only diverged during the late Pliocene.
Ecology.
Unlike other lampreys, species of "Caspiomyzon" are suspected to feed on carrion rather than live prey.
References.
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