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词条 Homalodotherium
释义

  1. Description

  2. References

  3. Further reading

{{Italic title}}{{Taxobox
|name = Homalodotherium
|fossil_range = Early-Mid Miocene (Friasian)
~{{fossil range|16.3|15.5}}
| image = Homalodotherium cunninghami.jpg
| image_width = 250px
| image_caption = Mounted skeleton of H. cunninghami in the Field Museum of Natural History, Chicago
|regnum = Animalia
|phylum = Chordata
|classis = Mammalia
|ordo = †Notoungulata
|subordo = †Toxodonta
|familia = †Homalodotheriidae
|genus = †Homalodotherium
|genus_authority = Huxley 1870
| subdivision_ranks = Species
| subdivision =
  • H. cunninghami[1]

| synonyms =
  • Homalodon {{small|Burmeister 1891}}
  • Homalodontherium {{small|Trouessart 1898}}
  • Homalodontotherium {{small|Flower 1874}}

}}Homalodotherium is an extinct genus of notoungulate mammals native to South America. Fossils of Homalodotherium have been found in the Middle Miocene (Friasian in the SALMA classification) Santa Cruz Formation of Argentina and the Río Frías Formation of Chile.[2]

Description

Homalodotherium was about {{convert|2|m|ft}} in body length, with a weight up to {{convert|300|kg|lb}}, and had long forelimbs with claws instead of hooves otherwise seen in related taxa. It walked on the soles of its hind feet and the toes of its front feet, which would have made the animal higher at the shoulder than at the hips when it walked on all fours. It was probably at least partially bipedal, being able to pull down tree branches with its arms while rearing up on its hind legs.[3] Various other prehistoric and living creatures have also developed this anatomical design and feeding style; examples are the chalicotheres, ground sloths (which shared the same environments), the giant panda, the gorilla and, possibly, the therizinosaur dinosaurs.

{{clearleft}}

References

1. ^[https://www.gbif.org/occurrence/1039436794 Homalodotherium cunninghami] at GBIF
2. ^Homalodotherium at Fossilworks.org
3. ^{{cite book |editor=Palmer, D.|year=1999 |title= The Marshall Illustrated Encyclopedia of Dinosaurs and Prehistoric Animals|publisher= Marshall Editions|location=London|page= 253|isbn= 1-84028-152-9}}

Further reading

  • Scott, William B. 1928. Mammalia of the Santa Cruz beds. Astrapotheria. Reports of the Princeton University Expeditions to Patagonia, 1896-1899. 6 (4): 301-342
{{Taxonbar|from=Q1038090}}{{paleo-mammal-stub}}

12 : Toxodonts|Clawed herbivores|Burdigalian life|Langhian life|Miocene mammals of South America|Friasian|Neogene Argentina|Fossils of Argentina|Neogene Chile|Fossils of Chile|Fossil taxa described in 1870|Taxa named by Thomas Henry Huxley

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