Ichthyornithiformes

Superregnum: Eukaryota
Cladus: Opisthokonta
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Superclassis: Tetrapoda
Classis: Aves
Subclassis: † Odontornithes
Infraclassis: Odontotormae
Ordo: Ichthyornithiformes
Familiae: Apatornithidae - Ichthyornithidae

Name

Ichthyornithiformes Marsh, 1873

Synonym

* Pteropappi Cope, 1889