Tusk-shell

... the elephant was a column. Another expert, upon touching carefully the animal’s tail, stated that the elephant was a rope. The expert who got the tusk was absolutely sure that the elephant resembled a ploughshare. Clearly, the experts failed to agree and continued to dispute all their lives, since ...

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... diplopoda-millipede class insecta - insects Phylum mollusca include... class monoplacophora class polyplacophora - chitons class scaphopoda - tusk or tooth shells class gastropoda - snails class bivalvia - clams, muscles, oysters class cephalopoda - squid, nautilus, octopus hope that helps

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