from The Century Dictionary.

  • Belonging to or having the characters of the genus Acanthodes or the order Acanthodei.
  • noun A fossil fish of the genus Acanthodes.


from Wiktionary, Creative Commons Attribution/Share-Alike License

Acanthodii +‎ -ian


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  • A line-drawing of a generalized acanthodian from the Man on the Hill site.

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  • Prior to this study, the only acanthodian whose braincase has been studied is the genus Acanthodes, which is a group that appears late in acanthodian history, Brazeau explained.

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