Echinodiscus is a genus of sand dollars within the family Astriclypeidae. There are currently 14 species assigned to the genus, with a majority being extinct.
Species Echinodiscus andamanensis Echinodiscus bisperforatus †Echinodiscus chikuzenensis †Echinodiscus colchesterensis †Echinodiscus ellipticus †Echinodiscus formosus †Echinodiscus ginauensis †Echinodiscus hsianglanensis †Echinodiscus pedemontanus †Echinodiscus placenta †Echinodiscus tiliensis †Echinodiscus transiens Echinodiscus truncatus †Echinodiscus yeliuensis
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