Amphiura
''Amphiura'' is a large genus of brittle stars (Ophiuroidea) found in oceans worldwide, from tropics to Arctic and Antarctic regions. Systematics and phylogeny ''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''). Species Extant species include:Branch, G.M., Branch, M.L, Griffiths, C.L. and Beckley, L.E. 2010. ''Two Oceans: a guide to the marine life of southern Africa'' *'' Amphiura acacia'' *'' Amphiura accedens'' *'' Amphiura acrisia'' *'' Amphiura adjecta'' *'' Amphiura aestuarii'' *'' Amphiura affinis'' *'' Amphiura africana'' *'' Amphiura agitata'' *'' Amphiura alba'' *'' Amphiura albella'' *'' Amphiura algida'' *'' Amphiura ambigua'' *'' Amphiura amokurae'' *''Amphiura angularis'' *'' Amphiu ...
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