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Pronunciation varies by accent · noun
A prehistoric marine reptile of the extinct order †Thalattosauria..
The preferred habitat of the thalattosaurs was apparently the sea.
Use thalattosaur when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Thalattosaur means A prehistoric marine reptile of the extinct order †Thalattosauria..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
The preferred habitat of the thalattosaurs was apparently the sea.
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