Petromyzonti (lampreys) >
Petromyzontiformes (Lampreys) >
Petromyzontidae (Northern lampreys) > Petromyzontinae
Etymology: Ichthyomyzon: ichthys, fish; myzon (Gr.), to suck (borrowed from Petromyzon), i.e., a sucking fish, referring to their suctorial behavior. (See ETYFish); fossor: Latin for digger, referring to how ammocoetes burrow into silt and sand. (See ETYFish).