Theriiformes

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Theriiformes
Temporal range: Late Triassic - Holocene, 220–0 Ma
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Subclass: Theriiformes
McKenna & Bell, 1997
Infraclasses

Theriiformes is a subclass of mammals. The term was coined in 1997 by McKenna & Bell in their classification of mammals.[1] In the strict sense, it is defined as all mammals more closely related to therians than to monotremes.


Mammaliaformes 

Morganucodontidae

Mammalia 

YinotheriaMonotremata

Theriiformes

Allotheria→†Multituberculata

Holotheria

Kuehneotheria

Trechnotheria

Zhangheotherium †("Symmetrodonta")

 Cladotheria 

Dryolestoidea

 Zatheria 

Peramura

Tribosphenida

Aegialodontia

 Theria 

MetatheriaMarsupialia

EutheriaPlacentalia

References[edit]

  1. ^ McKenna, Malcolm; Bell, Susan (March 15, 1997). Classificatoin of Mammals Above the species Level (Hardback)|format= requires |url= (help) (first ed.). New York City: Columbia University Press. ISBN 978-0231110129.