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Use "ammonites" in a sentence
"The chambered shells called ammonites and belemnites, which are so characteristic of the period preceding the cretaceous, in like manner die with it."
"The rocks where I lived didn't contain dinosaur bones because they were laid down in rather deep sea, but they contained called ammonites and belemnites, which were a sort of shellfish, and one was a shellfish, the other was a squid-like creature."
"Also beautiful jasper and fossils such as ammonites and belemnites."