| Tooth replacement in marsupial mammals differs from the condition generally believed to characterize eutherian mammals. |
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| Both taxa are placental or eutherian mammals, but their relationships to other eutherians continue to be a source of discussion. |
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| The branching pattern observed in Figure 1 shows that the early eutherian radiation was rather rapid. |
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| To conclude, obtaining more data for mammalian groups has given the major gain in understanding eutherian evolution. |
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| Attempts to resolve the relationships of Xenarthra and Pholidota to other eutherian mammals have not yet been exhausted. |
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| Phylogenetic trees depicting relationships among 16 eutherian orders are presented. |
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| If the system is fully saturated, then all eutherian orders will show about the same level of difference from each other. |
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| Several explanations have been proposed for the acquisition of genomic imprinting in eutherian mammals. |
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| Traditionally, research has been directed at the in-depth comparisons of genome structure between metatherian and eutherian gene maps to better understand genome evolution. |
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| Aardvarks and aardwolves have this typical eutherian construction. |
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| Extensive mapping of the Y chromosome in the tammar wallaby had shown that the origin of the Y predated the divergence of marsupials from eutherian mammals. |
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| Snakes have simple nerve endings for vibration perception and Herbst corpuscles in birds and Pacinian corpuscles in Eutherian mammals allow for perception of vibrations. |
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