acanthodian

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English[edit]

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Alternative forms[edit]

Etymology[edit]

Acanthodii +‎ -ian

Pronunciation[edit]

Noun[edit]

acanthodian (plural acanthodians)

  1. (zoology) A member of a group of extinct fish (Acanthodii) that existed from the Silurian to the Permian period.[First attested in the mid 19th century.][1]
    • 2009 January 15, Martin D. Brazeau, “The braincase and jaws of a Devonian 'acanthodian' and modern gnathostome origins”, Nature Volume 457 No. 7227, doi:10.1038/nature07436: 
      The emerging picture of acanthodian (and perhaps placoderm) paraphyly does not overturn a general consensus about gnathostome interrelationships.

Adjective[edit]

acanthodian (not comparable)

  1. Pertaining to Acanthodii.[First attested in the mid 19th century.][1]

References[edit]

  1. 1.0 1.1 Brown, Lesley, ed. The Shorter Oxford English Dictionary. 5th. Oxford: Oxford University Press, 2003.