Cladotheria

Cladotheria is a group (legion) of mammals that includes the ancestor of Dryolestida, Amphitheriida, Peramuridae and Zatheria (living therians plus all of its ancestors).

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

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

Zofia Kielan-Jaworowska, Richard L. Cifelli, and Zhe-Xi Luo, Mammals from the Age of Dinosaurs: Origins, Evolution, and Structure (New York: Columbia University Press, 2004), 14, 531.

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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