Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun Plural form of
amniote .
Etymologies
Sorry, no etymologies found.
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Examples
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The three higher classes of vertebrates which we call the amniotes -- the mammals, birds, and reptiles -- are notably distinguished by a number of peculiarities of their development from the five lower classes of the stem -- the animals without an amnion (the anamnia).
The Evolution of Man — Volume 1 Ernst Heinrich Philipp August Haeckel 1876
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Mammals and reptiles are both amniotes, that is, they both have amnions.
A New Book 2010
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It consists of the common ancestor to all modern amniotes, and all of its descendants, so the characteristic is BEING RELATED BY DESCENT TO THE COMMON ANCESTOR OF ALL AMNIOTES.
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Mammals, reptiles and their common ancestors are sets nested within the superset amniotes.
A New Book 2010
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It is instead defined by a combination of the features it has and the features it lacks: reptiles are the amniotes that lack fur or feathers.
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At best, the cladists suggest, we could say that the traditional Reptila are 'non-avian, non-mammalian amniotes'.
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Synapsids (mammal-like reptiles) are the branch of amniotes leading to mammals.
A New Book 2010
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Yes and amniotes are so called based on their CHARACTERISTICS.
A New Book 2010
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Also amniotes are so called based on CHARACTERISTICS.
A New Book 2010
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Clue: Mammal-like reptiles are also amniotes. angryoldfatman: So to prove common descent, we presume common descent.
A New Book 2010
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The skin is the oldest ever found for a group of animals collectively known as amniotes1, which includes reptiles, birds and mammals — all terrestrial vertebrates except amphibians.
This is the oldest fossilized reptile skin ever found — it pre-dates the dinosaurs Emma Marris 2024
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