Acontiaster

{{Short description|Genus of starfishes}}

{{Speciesbox

| taxon = Acontiaster bandanus

| authority = Döderlein, 1921

}}

Acontiaster is a genus of starfish in the family Benthopectinidae, containing the single species Acontiaster bandanus.{{cite web |last1=Mah |first1=C.L |title=Acontiaster bandanus Döderlein, 1921 |url=http://www.marinespecies.org/aphia.php?p=taxdetails&id=370814 |website=WoRMS |publisher=World Register of Marine Species |access-date=5 December 2021}}