Definition
noun
A taxonomic group (subclass) comprised of metatherian and eutherian mammals
Supplement
Theria is a subgroup of Class Mammalia. It consists of metatherians (marsupials) and eutherians (true placental mammals) that give birth to live young as opposed to non-therian mammals that lay eggs.
Word origin: Greek therion (wild beast)
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Definition noun A taxonomic group (subclass) comprised of metatherian and eutherian mammals Supplement Theria is a subgroup of Class Mammalia. It consists of metatherians (marsupials) and eutherians (true placental mammals) that give birth to live young as opposed to non-therian mammals that lay eggs. Word origin: Greek therion (wild beast) See also: eutherian metatherian Compare:..
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