The ancestral eutherian karyotype is present in Xenarthra.

Molecular studies have led recently to the proposal of a new super-ordinal arrangement of the 18 extant Eutherian orders. From the four proposed super-orders, Afrotheria and Xenarthra were considered the most basal. Chromosome-painting studies with human probes in these two mammalian groups are thus...

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Bibliographic Details
Main Authors: Marta Svartman, Gary Stone, Roscoe Stanyon
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2006-07-01
Series:PLoS Genetics
Online Access:http://europepmc.org/articles/PMC1513266?pdf=render