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Sinokannemeyeria

From Wikipedia, the free encyclopedia
Extinct genus of dicynodonts

Sinokannemeyeria
Temporal range:Middle Triassic,247.2–242 Ma
Mounted skeleton,Paleozoological Museum of China
Scientific classificationEdit this classification
Kingdom:Animalia
Phylum:Chordata
Clade:Synapsida
Clade:Therapsida
Clade:Anomodontia
Clade:Dicynodontia
Clade:Kannemeyeriiformes
Genus:Sinokannemeyeria
Young,1937
Type species
Sinokannemeyeria pearsoni
Young, 1937
Species

Sinokannemeyeria is agenus ofkannemeyeriiformdicynodont that lived during theAnisian age ofMiddle Triassic period in what is nowShanxi,China.[1][2]

Description

[edit]
Restoration of Sinokannemeyeria

Sinokannemeyeria was about 1.8 metres (5.9 ft) in length and 100 kilograms (220 lb) in weight. It had relatively short, stumpy legs which were held slightly sprawling gait to the sides of its body. The limb girdles were formed into large, heavy plates of bone to support the weight of the wide, heavily built body.Sinokannemeyeria was probably not a fast or agile animal.[3]

The front of the jaw had a small horn-covered beak, and there were two small tusks growing from bulbous projections on the upper jaw. These tusks could have been used to dig up roots.[3] Compared toKannemeyeria, it had broader snout, smallertemporal fenestrae and lower temporal crests.Sinokannemeyeria may had rather indiscriminately seized and torn vegetation in contrast to the more selective cropping ofKannemeyeria.[4]

Classification

[edit]
Skeletal mount with a juvenile in the bottom left

Below is acladogram from Kammereret al. (2013):[5]

Kannemeyeriiformes

See also

[edit]

References

[edit]
  1. ^"Sinokannemeyeria".Fossilworks. Retrieved17 December 2021.
  2. ^J. Liu. 2015. New discoveries from the Sinokannemeyeria-Shansisuchus Assemblage Zone: 1. Kannemeyeriiformes from Shanxi, China. Vertebrata PalAsiatica 53(1):16-28
  3. ^abRichardson, Hazel (2003).Dinosaurs and Prehistoric Life. London: Dorling Kindersley Limited. p. 48.ISBN 0-7513-3734-X.
  4. ^Lucas, Spencer G. (2001).Chinese Fossil Vertebrates (First ed.). New York: Columbia University Press. p. 110.ISBN 978-0-231-08483-3. Retrieved14 March 2020.
  5. ^Kammerer, C. F.; Fröbisch, J. R.; Angielczyk, K. D. (2013). Farke, Andrew A (ed.)."On the Validity and Phylogenetic Position of Eubrachiosaurus browni, a Kannemeyeriiform Dicynodont (Anomodontia) from Triassic North America".PLOS ONE.8 (5) e64203.Bibcode:2013PLoSO...864203K.doi:10.1371/journal.pone.0064203.PMC 3669350.PMID 23741307.
Synapsida
Anomodontia
    • see below↓
Anomocephaloidea
Venyukovioidea
Chainosauria
Dicynodontia
    • see below↓
Galepus jouberti
Pylaecephalidae
Endothiodontia
Therochelonia
Emydopoidea
Emydopidae
Myosauridae
Kingoriidae
Cistecephalidae
Bidentalia
    • see below↓
Diictodon felicepsDicynodontoides recurvidens
Elphidae
Geikiidae
Oudenodontidae
Rhachiocephalidae
Dicynodontoidea
Lystrosauridae
Kannemeyeriiformes
    • see below↓
Geikia elginensisLystrosaurus murrayi
Shansiodontidae
Kannemeyeriidae
Stahleckeriidae
Placeriinae
Stahleckeriinae
Lisowicia bojani
Other articles
Nomina dubia
Paraphyletic groups
Sinokannemeyeria
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