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Webster 1913 Edition


Allantoidea


Alˊlan-toid′e-a

,
Noun.
pl.
[NL.]
(Zool.)
The division of Vertebrata in which the embryo develops an allantois. It includes reptiles, birds, and mammals.

Definition 2024


allantoidea

allantoidea

Italian

Adjective

allantoidea

  1. feminine singular of allantoideo