Extinct metatherian (†Bonapartherium serrensis)

Superdomain: Neomura

Domain: Eukaryota

(unranked): Unikonta

(unranked): Obazoa

(unranked): Opisthokonta

(unranked) Holozoa

(unranked) Filozoa

Kingdom: Animalia

Subkingdom: Eumetazoa

(unranked): Bilateria

Superphylum: Deuterostomia

Phylum: Chordata

Subphylum: Vertebrata

Infraphylum: Gnathostomata

Superclass: Tetrapoda

(unranked) Amniota

Class: Mammalia

Clade: Theriimorpha

Clade: Theriiformes

Clade: Trechnotheria

Clade: Cladotheria

Clade: Zatheria

Clade: Tribosphenida

Subclass: Theria

Clade: Metatheria

Clade: Marsupialiformes

Infraclass: Marsupialia

Order: †Polydolopimorphia

Suborder: †Bonapartheriiformes

Family: †Bonapartheriidae

Genus: †Bonapartherium

Species: †B. serrensis

Done