Zatheria

Zatheria
Temporal range: Middle Jurassic - Holocene, 165–0 Ma
Kangaroo with her joey
Scientific classification
Kingdom:Animalia
Phylum:Chordata
Class:Mammalia
Clade:Cladotheria
Clade:Zatheria
McKenna, 1975
Subgroups

Zatheria is a group (sublegion) of mammals that includes the common ancestor of Arguimuridae, Vincelestidae, Peramuridae and Tribosphenida (living therians plus all of its ancestors).

Phylogeny

Below is a cladogram from Rowe (1988) and McKenna and Bell (1997) showing one hypothesis of mammal relationships:[1][2]

Mammaliaformes 

 

†Morganucodontidae

 
Mammalia 

 

Prototheria→Monotremata

 
Theriiformes

 

†Allotheria→†Multituberculata

 
Holotheria

 

†Kuehneotheria

 
Trechnotheria

 

†Amphiodon

 
Symmetrodonta

 

†Zhangheotherium

 
 Cladotheria 

 

†Dryolestoidea

 
 Zatheria 

 

†Peramura

 
Tribosphenida

 

†Aegialodontia

 
 Theria 

 

Metatheria→Marsupialia

 
 

Eutheria→Placentalia

 
 
 
 
 
 
 
 
 
 
 

Further reading

  • McKenna, Bell: Classification of Mammal: Above the Species Level

References

  1. ↑ Rowe, Timothy (1988). "Definition, diagnosis, and origin of Mammalia". Journal of Vertebrate Paleontology. 8 (3): 241–264. doi:10.1080/02724634.1988.10011708. ISSN 0272-4634.
  2. ↑ McKenna, Malcolm C.; Bell, Susan K. (1997). Classification of Mammals Above the Species Level. Columbia University Press. pp. 9–10. ISBN 978-0-231-11012-9. Retrieved 16 March 2015.


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