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Pronunciation varies by accent · noun
A mollusc resembling a nautilus; specifically, a cephalopod of the subclass Nautiloidea..
Cephalopods have a long fossil record, the earliest certain cephalopod fossils are loosely coiled or straight shelled nautiloids found in the Cambrian of China 515 million years ago.
Use nautiloid when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Nautiloid means A mollusc resembling a nautilus; specifically, a cephalopod of the subclass Nautiloidea..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Cephalopods have a long fossil record, the earliest certain cephalopod fossils are loosely coiled or straight shelled nautiloids found in the Cambrian of China 515 million years ago.
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