Isoxys

Isoxys (meaning "equal surfaces") is a genus of extinct, pelagic bivalved arthropod; the various species may have been roam-swimming predators. It had a pair of large spherical eyes (which are the most commonly preserved feature of the soft-bodied anatomy), and two large appendages It is possible that these appendages are homologous to the great appendages of radiodonts and megacheirans.

Isoxys

Isoxys (meaning "equal surfaces") is a genus of extinct, pelagic bivalved arthropod; the various species may have been roam-swimming predators. It had a pair of large spherical eyes (which are the most commonly preserved feature of the soft-bodied anatomy), and two large appendages It is possible that these appendages are homologous to the great appendages of radiodonts and megacheirans.