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Pronunciation varies by accent · noun
(paleontology) Any member of the Ancyloceratina suborder of ammonites..
Use ancyloceratin when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Ancyloceratin means (paleontology) Any member of the Ancyloceratina suborder of ammonites..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use ancyloceratin where its definition matches the intended context.
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