Arthrodire
noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 Any member of the extinct order Arthrodira, armored jawed fishes that flourished in the Devonian period.
"The basicranial circulation of Ptomacanthus resembles that in arthrodire placoderms."
Example
More examples"The basicranial circulation of Ptomacanthus resembles that in arthrodire placoderms."