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Webster
1913
Edition
Anallantoidea
‖
Anˊal-lan-toid′e-a
,
Noun.
pl.
[Gr.
ἀν
priv. + E.
allantoidea
.]
(Zool.)
The division of Vertebrata in which no allantois is developed. It includes amphibians, fishes, and lower forms.
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