Amphiura Pachybactra

''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:MarineSpecies.org - Amphiura Forbes, 1843
/ref>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''
*'' Amphiura annulifera''
*''Amphiura anomala''
*''Amphiura anster''
*''Amphiura antarctica''
*''Amphiura arcystata''
*''Amphiura argentea''
*''Amphiura aster''
*''Amphiura atlantica''
*''Amphiura atlantidea''
*''Amphiura belgicae''
*''Amphiura bellis''
*''Amphiura benthica''
*''Amphiura beringiana''
*''Amphiura bidentata''
*''Amphiura bihamula''
*'' Amphiura borealis''
*''Amphiura bountyia''
*''Amphiura brachyactis''
*'' Amphiura brevipes''
*''Amphiura brevispina''
*'' Amphiura callida''
*'' Amphiura canadensis''
*''Amphiura candida''
*''Amphiura caparti''
*''Amphiura capensis''
*''Amphiura carchara''
*'' Amphiura carnea''
*''Amphiura catephes''
*'' Amphiura celata''
*''Amphiura ceramis''
*''Amphiura cherbonnieri''
*'' Amphiura chiajei''
*'' Amphiura clausadae''
*''Amphiura coacta''
*'' Amphiura commutata''
*'' Amphiura complanata''
*''Amphiura concinna''
*''Amphiura concolor''
*'' Amphiura confinis''
*''Amphiura consors''
*''Amphiura constricta''
*'' Amphiura corona''
*'' Amphiura crassipes''
*''Amphiura crispa''
*''Amphiura crossota''
*''Amphiura crypta''
*'' Amphiura dacunhae''
*''Amphiura debilis''
*''Amphiura deficiens''
*''Amphiura deichmanni''
*''Amphiura dejecta''
*''Amphiura dejectoides''
*'' Amphiura delamarei''
*''Amphiura demissa''
*'' Amphiura diacritica''
*'' Amphiura diastata''
*''Amphiura diducta''
*''Amphiura digitula''
*''Amphiura dino''
*''Amphiura diomedeae''
*''Amphiura dispar''
*''Amphiura divaricata''
*''Amphiura dolia''
*''Amphiura duncani''
*''Amphiura ecnomiotata''
*'' Amphiura elandiformis''
*''Amphiura eugeniae''
*''Amphiura eugenioides''
*''Amphiura exigua Verrill''
*''Amphiura fasciata''
*'' Amphiura fibulata''
*'' Amphiura ficta''
*''Amphiura filiformis''
*'' Amphiura flexuosa''
*''Amphiura florifera''
*''Amphiura fragilis''
*''Amphiura frigida''
*''Amphiura gastracantha''
*''Amphiura glabra''
*''Amphiura goniodes''
*''Amphiura griegi''
*'' Amphiura gymnogastra''
*'' Amphiura gymnopora''
*'' Amphiura heptacantha''
*''Amphiura heraldica''
*'' Amphiura hilaris''
*'' Amphiura immira''
*'' Amphiura incana''
*''Amphiura inepta''
*''Amphiura ingolfiana''
*''Amphiura inhacensis''
*''Amphiura instans''
*''Amphiura iridoides''
*'' Amphiura joubini''
*'' Amphiura kalki''
*''Amphiura kandai''
*''Amphiura kinbergi''
*'' Amphiura koreae''
*''Amphiura lanceolata''
*'' Amphiura latispina''
*''Amphiura leptodoma''
*'' Amphiura leptotata''
*'' Amphiura leucaspis''
*''Amphiura levidevaspis''
*''Amphiura linearis''
*''Amphiura lorioli''
*'' Amphiura luetkeni''
*''Amphiura lunaris''
*''Amphiura lymani''
*''Amphiura macrostyalia''
*''Amphiura maculata''
*''Amphiura madecassae''
*'' Amphiura magellanica''
*'' Amphiura magnisquama''
*''Amphiura maxima''
*'' Amphiura mediterranea''
*''Amphiura megalaspi''
*''Amphiura micra''
*''Amphiura micraspis''
*'' Amphiura microplax''
*''Amphiura microsoma''
*''Amphiura modesta''
*'' Amphiura monorima''
*''Amphiura morosa''
*''Amphiura muelleri''
*''Amphiura multiremula''
*'' Amphiura multispina''
*'' Amphiura murex''
*''Amphiura nannodes''
*''Amphiura nociva''
*''Amphiura norae''
*''Amphiura notacantha''
*''Amphiura octacantha''
*'' Amphiura otteri''
*'' Amphiura pachybactra''
*''Amphiura papillata''
*''Amphiura parviscutata''
*''Amphiura perita''
*''Amphiura plantei''
*''Amphiura poecila''
*'' Amphiura polita''
*''Amphiura polyacantha''
*''Amphiura praefecta''
*''Amphiura princeps''
*''Amphiura proposita''
*''Amphiura protecta''
*''Amphiura psilopora''
*'' Amphiura ptena''
*''Amphiura pusilla''
*'' Amphiura pycnostoma''
*''Amphiura rathbuni''
*'' Amphiura reloncavii''
*''Amphiura repens''
*''Amphiura retusa''
*'' Amphiura richardi''
*''Amphiura sarsi''
*'' Amphiura scabiuscula''
*'' Amphiura scabriuscula''
*''Amphiura sculpta''
*''Amphiura securigera''
*'' Amphiura semiermis''
*''Amphiura seminuda''
*'' Amphiura senegalensis''
*''Amphiura septa''
*''Amphiura septemspinosa''
*'' Amphiura serpentina''
*'' Amphiura sexradiata''
*''Amphiura simonsi''
*''Amphiura sinicola''
*''Amphiura spinipes''
*'' Amphiura stepanovi''
*''Amphiura stictacantha''
*''Amphiura stimpsoni''
*'' Amphiura subtilis''
*'' Amphiura sundevalli''
*'' Amphiura syntaracha''
*'' Amphiura tenuis''
*'' Amphiura tessellata''
*''Amphiura trachydisca''
*''Amphiura triaina''
*''Amphiura trisacantha''
*''Amphiura tumulosa''
*''Amphiura tutanekai''
*''Amphiura uncinata''
*''Amphiura ungulata''
*'' Amphiura unicinata''
*'' Amphiura ushakovi''
*''Amphiura vadicola''
*''Amphiura velox''
*''Amphiura verrilli''
*'' Amphiura verticillata''

References

Amphiuridae
Ophiuroidea genera

{{ophiuroidea-stub