Ophiura Costata
''Ophiura'' is a genus of echinoderms belonging to the family Ophiuridae. The genus has cosmopolitan distribution. Species: *''Ophiura acervata'' *''Ophiura achatae'' *''Ophiura aequalis'' *''Ophiura albata'' *''Ophiura albida'' *''Ophiura amphitrites'' *''Ophiura annulata'' *''Ophiura anoidea'' *''Ophiura astonensis'' *''Ophiura atacta'' *''Ophiura bartonensis'' *''Ophiura bathybia'' *''Ophiura bognoriensis'' *''Ophiura bridgerensis'' *''Ophiura caledonica'' *''Ophiura calyptolepis'' *''Ophiura carnea'' *''Ophiura carpelloides'' *''Ophiura clemens'' *''Ophiura costata'' *''Ophiura crassa'' *''Ophiura cretacea'' *''Ophiura cryptolepis'' *''Ophiura ctenophora'' *''Ophiura cunliffei'' *''Ophiura davisi'' *''Ophiura elongata'' *''Ophiura estarensis'' *''Ophiura falcifera'' *''Ophiura fallax'' *''Ophiura figurata'' *''Ophiura flagellata'' *''Ophiura flexibilis'' *''Ophiura floscellata'' *''Ophiura fluctuans'' *''Ophiura fraterna'' *''Ophiura furia ...
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Ophiura Ophiura
''Ophiura ophiura'' or the serpent star is a species of brittle star in the order Ophiurida. It is typically found on coastal seabeds around northwestern Europe. Description ''Ophiura ophiura'' has a circular central disc up to 35 mm (1.5 in) wide and five radially arranged, narrow arms each up to long. The general colour is mottled reddish-brown with a paler underside. Both the top and the underside of the disc are covered with calcareous plates. The arms are joined to the top rather than the edge of the disc and further small, articulating plates allow the arms to bend from side to side. Small spines on the arms lie flat against the surface. Four larger plates occur across the root of each arm with the outer pair having a comb-like edge, with 20 to 30 fine papillae in each.''Ophiura ophiura'' (Linnae ...
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