Chiniquodontoidea

From Wikipedia, the free encyclopedia

iChiniquodontoidea
Fossil range: Late Triassic - Late Jurassic (non-mammalian)

Scientific classification

Kingdom:	Animalia
Phylum:	Chordata
Class:	Synapsida
Order:	Therapsida
Suborder:	Cynodontia
Infraorder:	Eucynodontia
(unranked)	Chiniquodontoidea Huene, 1936

Groups

Chiniquodontidae
Mammaliaformes
Therioherpetidae
Tritheledontidae

Chiniquodontoidea is a clade of cynodonts that is defined as including all probainognathians closer to mammals than to Probainognathus which is the more primitive form in Probainognathia. To Chiniquodontoidea pertain, beside families Chiniquodontidae, Therioherpetidae, Tritheledontidae, and the more diverse clade Mammaliaformes, an array of basal forms enumerated in the classification scheme below, following works by Rubidge & Sidor (2001), Martinelli et al. (2005) and Sidor & Hancox (2006).

[edit] Phylogeny

 Chiniquodontoidea
 |-+-?Eoraetia
 | `-+-+-?Kunminia
 |   | | ?“Hahnia”
 |   |  `- ?Maubeugia      
 |   `-Chiniquodontidae
 |      |-?Dromatheriinae
 |      `-Chiniquodontinae
 `-+-+-Therioherpetidae
   | `-+-?Brasilodon
   |   `- ?Brasilitherium
   `-+-+-Riograndia
     | `-Tritheledontidae
     `-Mammaliamorpha
        |-Prozostrodon
        `-Mammaliaformes