Petromyzontomorphi

Superregnum: Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Cladus: Craniata
Subphylum: Vertebrata
Superclass: Petromyzontomorphi

Class: Petromyzonti

References

• Van der Laan, R. 2018. Family-group names of fossil fishes. European Journal of Taxonomy 466: 1-167] [ https://doi.org/10.5852/ejt.2018.466] Reference page.