xenarthra
IPA: zˈinɑrθrʌ
Root Word: Xenarthra
noun
- (from Ancient Greek ξένος, xénos, "foreign, alien" + ἄρθρον, árthron, "joint") a major clade of placental mammals native to the Americas.
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Examples of "xenarthra" in Sentences
- Or conversely, if the mechanisms used by the afrotheria, the xenarthra, and the other mammalian groups that lack an appendix to switch off appendix development were identical, that would suggest that the last common ancestor of the eutheria had that mechanism, lacked an appendix, and those euarchontoglires definitely did re-evolve the appendix.
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