Pegophysema schrammiPegophysema schrammi is a species in the genus Pegophysema, family Lucinidae, order Lucinida.Scientific classificationRankTaxonDomainEukaryotaKingdomAnimaliaPhylumMolluscaClassBivalviaOrderLucinidaFamilyLucinidaeGenusPegophysemaSpeciesPegophysema schrammi