Petromyzontiformes (Lampreys) is an order of vertebrates. There are 47 species of Lampreys, in 10 genera and 3 families. It includes groups like Geotriidae, Mordaciidae, and Northern Lampreys.
EOL has data for 3 attributes, including:
The environments in which many lampreys species are known to live. Select an environment to see its lampreys species checklist.