Tetrapleurodon Creaser and Hubbs 1922 (lamprey)
Petromyzontomorphi - Petromyzontiformes - Petromyzontidae
PaleoDB taxon number: 352210
Parent taxon: Petromyzonidae according to D. S. Jordan 1963
Sister taxa: Agnathomyzon, Bathymyzon, Caspiomyzon, Entosphenus, Eudontomyzon, Haploglossa, Ichthyomyzon, Lampetra, Lampreda, Lethenteron, Oceanomyzon, Okkelbergia, Petromyzon, Pricus, Reighardina, Scolecosoma
Subtaxa: none
Ecology: