Neotherapsida

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Neotherapsida
Temporal range: Middle PermianHolocene, 270–0 Ma (range includes mammals)
Oligokyphus BW.jpg
Oligokyphus
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Clade: Synapsida
Order: Therapsida
Clade: Eutherapsida
Clade: Neotherapsida
Hopson, 1999
Subgroups

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Neotherapsida is a clade of therapsids. It includes anomodonts and the more derived theriodonts, which include mammals.

Distribution

Permian

In the Permian time period, Neotherapsids lived in Germany, India, Madagascar, Niger, South Africa, Tanzania, United Kingdom, United States in Texas, and Zambia.[3]

Severodvinian

In the Severodvinian age of the Tatarian stage of the Permian time period, Neotherapsids lived in Russia.[3][4]

Triassic

In the Triassic, Neotherapsids lived in Antarctica, Argentina, Brazil, China, Germany, Lesotho, Morocco, Poland, Russia, South Africa, Tanzania, and United States in Arizona, Colorado, New Mexico, North Carolina, Texas, Utah, and Wyoming.[3]

Jurassic

In the Jurassic time period, the Neotherapsids lived in Lesotho.[3]

Cretaceous

In the Cretaceous period, the Neotherapsids lived in Australia and Russia.

Classification

The Neotherapsida was classified as a sub group of the clade Eutherapsida by J. A. Hopson in 1999.[3]

Relatives

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Taxonomy

Anomodontia

File:AnomocephalusDB.jpg
Anomocephalus, a primitive anomodont that retained a full set of teeth
Aulacocephalodon, a dicynodont, an herbivore with two tusks
File:Kannemeyeria DB.jpg
Kannemeyeria, a dicynodont, was one of the first large herbivores of the Triassic.

Groups of Theriodontia

Mammalians, like humans and horses, evolved from theriodonts.


See also

References


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