Definition of "metatherian" [metatherian]

• Belonging or pertaining to the infraclass Metatheria of marsupials. (adjective)
• A member of the infraclass Metatheria. (noun)

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• "By integrating phylogenetics of novel vtg transcripts from old and modern teleosts with syntenic analyses of all available genomic variants of non-metatherian vertebrates we identify the gene orthologies between the Sarcopterygii (tetrapod branch) and Actinopterygii (fish branch)."