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Short "hint"

n. - Fishlike vertebrate with bony plates on head and upper body.

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Usage examples (2)
  • Scientists from Australia and Britain studying 380million-year-old fossils of placoderm fish were initially confused when they realized that the two fish were carrying...
  • The authors looked for a clasper in their placoderm fossils but couldn't find one, so they were forced to argue that it had been made of soft cartilage and had not been...
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