Arcuatula elegansArcuatula elegans is a species in the genus Arcuatula, family Mytilidae, order Mytilida.Scientific classificationRankTaxonDomainEukaryotaKingdomAnimaliaPhylumMolluscaClassBivalviaOrderMytilidaFamilyMytilidaeGenusArcuatulaSpeciesArcuatula elegans