Biology:Amphitheriidae

From HandWiki

Amphitheriidae is a family of Mesozoic mammals restricted to the Middle Jurassic of Britain, with indeterminate members also possibly known from the equivalently aged Itat Formation in Siberia and the Anoual Formation of Morocco. They were members of Cladotheria, more derived than members of Dryolestida, and possibly forming a close relationship with Peramuridae.[1] Amphitheriidae is the only family of the order Amphitheriida.

Classification

 Cladogram after Panciroli et al. 2018:[1]

Cladotheria
 

Dryolestida

 
 
 

Vincelestes

 
 
 

Nanolestes

 
 

Arguimus

 
 
 

Peramus

 
 

Amphitheriidae

 
 
 
 

Kielantherium

 
 
 

Aegialodon

 
 

Theria (modern placentals, marsupials, and relatives)

 
 
 
 
 
 

Cladogram after Magallanes et al, 2024:[2]

Cladotheria
 

Dryolestida

 
 
 

Paurodon

 
 

Drescheratherium

 
 

Foxraptor

 
 

Meridiolestida

 
Zatheria
 

Amphitheriidae

 
 

Peramus

 
 

Vincelestes

 
 
 

Kielantherium

 
 
 

Pappotherium

 
 

Eutheria (placentals and relatives)

 
 

Metatheria (marsupials and relatives)

 
 
 
 
 
 

References

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), 14,395.
  • Close RA., Davis BM., Walsh S., Wolniewicz AS., Friedman M. and Benson RB. 2016. A lower jaw of Palaeoxonodon from the Middle Jurassic of the Isle of Skye, Scotland, sheds new light on the diversity of British stem therians. Palaeontology, 59, 155-169

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