Kannemeyeriidae

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Kannemeyeriidae
Kannemeyeria

Kannemeyeria

Temporal occurrence
Anisium ( Middle Triassic ) to Norium ( Upper Triassic )
245.9 to 199.6 million years
Locations
  • Worldwide
Systematics
Amniotes (Amniota)
Synapsids (Synapsida)
Therapsids (Therapsida)
Dicynodontia
Pristerodontia
Kannemeyeriidae
Scientific name
Kannemeyeriidae
Huene , 1948
Dinodontosaurus
Sinokannemeyeria

The Kannemeyeriidae are extinct land vertebrates from the group of therapsids ("mammal-like reptiles"). They lived during the Middle and Upper Triassic . The group's fossils have been found in Africa, North and South America, Europe, India, and China.

features

They had a barrel-shaped trunk and a short-snouted skull, similar to that of Lystrosaurus , on which, in contrast to this, was a narrow intertemporal ridge. The skulls reached lengths of 25 to 60 centimeters. The postcranial skeleton (the area of ​​the skeleton following the skull) resembled that of the Permian dicynodontia , but was even more compact, the legs more stocky. The pelvis has a conspicuous anterior outgrowth of the ilium and a reduced pubis , which probably opened up the possibility that the animals could stand up on their hind legs to eat leaves from higher plant sections.

Systematics

literature

  • Thomas S. Kemp: The Origin & Evolution of Mammals. Oxford University Press, Oxford 2005. ISBN 0198507615 .

Web links

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