from The Century Dictionary.

  • noun A fish of the subclass Arthrodira.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun zoology Any member of the order Arthrodira, armored jawed fishes that flourished in the Devonian period.


Sorry, no etymologies found.


  • Plourdosteus canadensis (Woodward 1892), un arthrodire du Frasnien inférieur du Canada: Contribution à l'étude morphologique et phylogénétique des Plourdosteidae (Vertebrata, Placodermi) du Dévonien moyen et supérieur.

    Miguasha Provincial Park, Canada

  • It was good to see this arthrodire fossil from Ohio on display.

    Sorting Out Science


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