See text Amphiura is a large genus of brittle stars (Ophiuroidea) found in oceans worldwide, from tropics to Arctic and Antarctic regions.
Amphiura is a large genus that is currently divided into the following six subgenera: Amphioplus, Amphiura, Fellaria, Ophionema, Ophiopelte and Ophiopeltis.
The once used subgenus Acrocnida has been elevated to a genus rank.
The fossil record of the genus dates back to the Turonian (Amphiura plana).
[1] Extant species include:[2][3]