implacentalia

Im`pla*cen*ta"li*a, n. pl. Etym: [NL. See In- not, and Placental.] (Zoöl.) Defn: A primary division of the Mammalia, including the monotremes and marsupials, in which no placenta is formed.

implacentalia - Similar Words

placentalia implacental placental aplacental complacential placenta implemental aplacentata placentation implantation