IridinidaeIridinidae is a family in the order Unionida, containing 37 described species.Scientific classificationRankTaxonDomainEukaryotaKingdomAnimaliaPhylumMolluscaClassBivalviaOrderUnionidaFamilyIridinidaeGeneraMutela14Aspatharia10Chambardia10Pleiodon2Chelidonopsis1