Metatheria


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Related to Metatheria: Prototheria, Eutheria

Metatheria

see MARSUPIAL.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
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Comparative genomics reveals that PLAC1 evolved after the divergence of placental mammals (Eutheria) from marsupials (Metatheria) as there are homologs throughout the former but no evidence in either of the other mammalian subclasses Metatheria and Prototheria (egg laying mammals) [3].