1 entry 1 source
Implacentalia
Open directlyWebster's 1828 Dictionary · 1828
Part of speech: noun (n.)
A primary division of the Mammalia, including the monotremes and marsupials, in which no placenta is formed.
1 entry 1 source
Part of speech: noun (n.)
A primary division of the Mammalia, including the monotremes and marsupials, in which no placenta is formed.