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Pronunciation varies by accent · noun
Any member of the clade Xenacanthiformes of extinct cartilaginous fishes..
Use xenacanth when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Xenacanth means Any member of the clade Xenacanthiformes of extinct cartilaginous fishes..
Common synonyms include xenacanthiform.
The opposite depends on the specific sense.
Use xenacanth where its definition matches the intended context.
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