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Pronunciation varies by accent · noun
Any extinct cartilaginous fish of the subclass Euchondrocephali.
Use euchondrocephalan when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Euchondrocephalan means Any extinct cartilaginous fish of the subclass Euchondrocephali.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use euchondrocephalan where its definition matches the intended context.
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