Laevicardium oblongumLaevicardium oblongum is a species in the genus Laevicardium, family Cardiidae, order Cardiida.Scientific classificationRankTaxonDomainEukaryotaKingdomAnimaliaPhylumMolluscaClassBivalviaOrderCardiidaFamilyCardiidaeGenusLaevicardiumSpeciesLaevicardium oblongum