arthrodire

[网络] 节颈鱼

词形变化

arthrodires 复数 arthrodires

释义与例句

n.
  1. 1.

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

    生物 动物学

    The basicranial circulation of Ptomacanthus resembles that in arthrodire placoderms.