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