Acanthodian meaning

(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.]
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Pertaining to Acanthodii.[First attested in the mid 19th century.]
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Origin of acanthodian

  • Acanthodii +‎ -ian

    From Wiktionary