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Xenarthra

Syllabification: Xe·nar·thra
Pronunciation: /zəˈnärTHrə
 
/
Zoology

Definition of Xenarthra in English:

An order of mammals that comprises the edentates. Also called Edentata.
Example sentences
  • Let's turn to what is known about the anatomy of the feeding apparatus in Xenarthra and Pholidota.
  • Unfortunately, information on the condition of feeding apparatus muscles in ant-eating taxa outside the Xenarthra and Pholidota is incomplete.
  • Our results show the existence of four primary lineages of placental mammals: Xenarthra, Afrotheria, Laurasiatheria, and Euarchontoglires.

Origin

modern Latin (plural), from xeno- 'strange' + Greek arthron 'joint' (because of the peculiar accessory articulations in the vertebrae).

Derivatives

xenarthran

1
noun& adjective
Example sentences
  • Aardvarks were once thought to be closely related to pangolins and xenarthrans.
  • They are by far the most diverse group of xenarthrans, with 20 species in 8 genera.
  • Several groups of xenarthrans successfully crossed the Central American land bridge to North America when it formed in the Pliocene; these included a number of kinds of ground sloths and armadillos.

Definition of Xenarthra in:

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