amniote

am·ni·ote | \ ˈam-nē-ˌōt

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Definition of amniote

: any of a group (Amniota) of vertebrates that undergo embryonic or fetal development within an amnion and include the birds, reptiles, and mammals

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Examples of amniote in a Sentence

Recent Examples on the Web This new kind of animal, that Dawson would name Hylonomus lyelli, remains the earliest amniote in the fossil record. — Hillary Maddin, Smithsonian, "Tiny Animals Trapped in Fossil Trees Help Reveal How Fauna Moved Onto Land," 18 July 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'amniote.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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Cite this Entry

“Amniote.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/amniote. Accessed 2 Jun. 2020.

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