What is the kingdom phylum class order family genus species of the sea lamprey?

Kingdom: Animalia

Phylum: Chordata

Class: Agnatha

Order: Petromyzonontiformes

Family: Petromyzontidae

Genus: Tetrapleurodon

Species: Petromyzon Marinus

ummmm... im not sure that some of those are right.

There are 7 genera and 25 species of Lamprey, 13 of them known to be in the USA.