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Pronunciation varies by accent · noun
Any extinct marine invertebrate of the suborder †Heliolitida, typically encountered as fossils.
Use heliolitid when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Heliolitid means Any extinct marine invertebrate of the suborder †Heliolitida, typically encountered as fossils.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use heliolitid where its definition matches the intended context.
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