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Pronunciation varies by accent · noun
(paleontology, dated) A member of the Cotylosauria, a synonym of the family †Captorhinidae, the earliest group of true reptiles from the Carboniferous through the Permian..
Use cotylosaur when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Cotylosaur means (paleontology, dated) A member of the Cotylosauria, a synonym of the family †Captorhinidae, the earliest group of true reptiles from the Carboniferous through the Permian..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use cotylosaur where its definition matches the intended context.
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