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); unicuspis: unus (L.), one; cuspis (L.), point, referring to single (unicuspid) cusps of circumoral teeth of adults (compared with bicuspid circumoral teeth of congeners). (See ETYFish).
More on authors: Hubbs & Trautman.