HyriidaeHyriidae is a family in the order Unionida, containing 76 described species.Scientific classificationRankTaxonDomainEukaryotaKingdomAnimaliaPhylumMolluscaClassBivalviaOrderUnionidaFamilyHyriidaeGeneraDiplodon21Castalia13Rhipidodonta10Hyridella7Velesunio5Alathyria4Westralunio4Echyridella3Prisodon2Triplodon2Callonaia1Castaliella1Cucumerunio1Lortiella1Virgus1